From 59b9bf9b7aa7458dc8c99a8426b319dcb19af1a9 Mon Sep 17 00:00:00 2001
From: Xavier Petit <32063953+xpetit@users.noreply.github.com>
Date: Sun, 5 Apr 2020 20:08:56 +0200
Subject: [PATCH] mb:go x$ pwd /Users/x/x/01/public/tests/go mb:go x$ goimports
 -w . mb:go x$

---
 tests/go/activebits_test.go                   |   3 +-
 tests/go/any_test.go                          |   3 +-
 tests/go/appendrange_test.go                  |   3 +-
 tests/go/btreesearchitem_test.go              |   3 +-
 tests/go/btreetransplant_test.go              |   3 +-
 tests/go/enigma_test.go                       |   3 +-
 tests/go/join_test.go                         |   3 +-
 tests/go/max_test.go                          |   3 +-
 tests/go/pilot_test.go                        |   3 +-
 tests/go/printalphabet_test.go                |   3 +-
 tests/go/printdigits_test.go                  |   3 +-
 tests/go/printprogramname_test.go             |   3 +-
 tests/go/printreversealphabet_test.go         |   3 +-
 tests/go/raid2_test.go                        |   3 +-
 tests/go/revparams_test.go                    |   3 +-
 tests/go/solutions/anagram/anagram_test.go    |   6 +-
 tests/go/solutions/brainfuck/main.go          |   3 +-
 tests/go/solutions/comparetrees.go            |   3 +-
 tests/go/solutions/findprevprimeprog/main.go  |   2 +-
 tests/go/solutions/inverttree.go              |  24 +-
 .../solutions/inverttree/inverttree_test.go   | 242 +++++++++---------
 tests/go/solutions/inverttree/main.go         |  25 +-
 tests/go/solutions/itoabaseprog/main.go       |   6 +-
 tests/go/solutions/lcm.go                     |  20 +-
 tests/go/solutions/nenokku/main.go            |   2 +-
 tests/go/solutions/nenokku/nenokku_test.go    |  10 +-
 tests/go/solutions/onlyz/onlyz_test.go        |   3 +-
 tests/go/solutions/piglatin/main.go           |   1 +
 tests/go/solutions/pilot/pilot.go             |   3 +-
 .../printalphabetprog_test.go                 |   3 +-
 tests/go/solutions/printchessboard.go         |   3 +-
 tests/go/solutions/printchessboard/main.go    |   3 +-
 .../printchessboard/printchessboard_test.go   |   3 +-
 .../printdigitsprog/printdigitsprog_test.go   |   3 +-
 tests/go/solutions/priorprime.go              |   2 +-
 .../solutions/priorprime/priorprime_test.go   |   8 +-
 tests/go/solutions/repeatalpha/main.go        |   3 +-
 tests/go/solutions/robottoorigin/main.go      |   3 +-
 .../robottoorigin/robottoorigin_test.go       |   3 +-
 tests/go/solutions/sametree.go                |  34 +--
 tests/go/solutions/sametree/main.go           |  38 +--
 tests/go/solutions/sametree/sametree_test.go  | 193 +++++++-------
 tests/go/solutions/searchreplace/main.go      |   3 +-
 tests/go/solutions/strrevprog/main.go         |   3 +-
 tests/go/solutions/swapbits/swapbits_test.go  |   3 +-
 tests/go/solutions/testConvertBase/main.go    |   3 +-
 tests/go/solutions/twosum.go                  |   2 +-
 tests/go/solutions/twosum/main.go             |  17 +-
 tests/go/solutions/twosum/twosum_test.go      |  14 +-
 tests/go/solutions/uniqueoccurences/main.go   |   3 +-
 .../uniqueoccurences/uniqueoccurences_test.go |   3 +-
 tests/go/solutions/ztail/main.go              |   3 +-
 tests/go/sortparams_test.go                   |   3 +-
 tests/go/swapbits_test.go                     |   3 +-
 tests/go/ztail_test.go                        |   3 +-
 55 files changed, 397 insertions(+), 360 deletions(-)

diff --git a/tests/go/activebits_test.go b/tests/go/activebits_test.go
index a487fee6..9a8ccca2 100644
--- a/tests/go/activebits_test.go
+++ b/tests/go/activebits_test.go
@@ -1,10 +1,11 @@
 package student_test
 
 import (
+	"testing"
+
 	solutions "./solutions"
 	student "./student"
 	"github.com/01-edu/z01"
-	"testing"
 )
 
 func TestActiveBits(t *testing.T) {
diff --git a/tests/go/any_test.go b/tests/go/any_test.go
index a5a0b6dd..0af272f1 100644
--- a/tests/go/any_test.go
+++ b/tests/go/any_test.go
@@ -1,10 +1,11 @@
 package student_test
 
 import (
+	"testing"
+
 	solutions "./solutions"
 	student "./student"
 	"github.com/01-edu/z01"
-	"testing"
 )
 
 func TestAny(t *testing.T) {
diff --git a/tests/go/appendrange_test.go b/tests/go/appendrange_test.go
index a793b5b6..d051e72c 100644
--- a/tests/go/appendrange_test.go
+++ b/tests/go/appendrange_test.go
@@ -1,9 +1,10 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
 
+	"github.com/01-edu/z01"
+
 	solutions "./solutions"
 	student "./student"
 )
diff --git a/tests/go/btreesearchitem_test.go b/tests/go/btreesearchitem_test.go
index ff7a0ff8..3f9836c6 100644
--- a/tests/go/btreesearchitem_test.go
+++ b/tests/go/btreesearchitem_test.go
@@ -5,9 +5,10 @@ import (
 
 	"github.com/01-edu/z01"
 
+	"fmt"
+
 	solutions "./solutions"
 	student "./student"
-	"fmt"
 )
 
 func errorMessage_search(t *testing.T, fn interface{}, root, a *solutions.TreeNode, b *student.TreeNode,
diff --git a/tests/go/btreetransplant_test.go b/tests/go/btreetransplant_test.go
index 42cef51f..7f2b8671 100644
--- a/tests/go/btreetransplant_test.go
+++ b/tests/go/btreetransplant_test.go
@@ -5,9 +5,10 @@ import (
 
 	"github.com/01-edu/z01"
 
+	"fmt"
+
 	solutions "./solutions"
 	student "./student"
-	"fmt"
 )
 
 func parentListTransp(root *student.TreeNode) string {
diff --git a/tests/go/enigma_test.go b/tests/go/enigma_test.go
index 72f4d198..8c192b53 100644
--- a/tests/go/enigma_test.go
+++ b/tests/go/enigma_test.go
@@ -1,10 +1,11 @@
 package student_test
 
 import (
+	"testing"
+
 	solutions "./solutions"
 	student "./student"
 	"github.com/01-edu/z01"
-	"testing"
 )
 
 func TestEnigma(t *testing.T) {
diff --git a/tests/go/join_test.go b/tests/go/join_test.go
index 4c6ea47b..daaa0953 100644
--- a/tests/go/join_test.go
+++ b/tests/go/join_test.go
@@ -1,10 +1,11 @@
 package student_test
 
 import (
+	"testing"
+
 	solutions "./solutions"
 	student "./student"
 	"github.com/01-edu/z01"
-	"testing"
 )
 
 func TestJoin(t *testing.T) {
diff --git a/tests/go/max_test.go b/tests/go/max_test.go
index 61070a03..ebaa3adc 100644
--- a/tests/go/max_test.go
+++ b/tests/go/max_test.go
@@ -1,10 +1,11 @@
 package student_test
 
 import (
+	"testing"
+
 	solutions "./solutions"
 	student "./student"
 	"github.com/01-edu/z01"
-	"testing"
 )
 
 func TestMax(t *testing.T) {
diff --git a/tests/go/pilot_test.go b/tests/go/pilot_test.go
index 9afd696f..4d1302f1 100644
--- a/tests/go/pilot_test.go
+++ b/tests/go/pilot_test.go
@@ -1,8 +1,9 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestPilot(t *testing.T) {
diff --git a/tests/go/printalphabet_test.go b/tests/go/printalphabet_test.go
index 6e5dab69..18231c59 100644
--- a/tests/go/printalphabet_test.go
+++ b/tests/go/printalphabet_test.go
@@ -1,8 +1,9 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestPrintAlphabet(t *testing.T) {
diff --git a/tests/go/printdigits_test.go b/tests/go/printdigits_test.go
index dcca6acd..dc3b6d53 100644
--- a/tests/go/printdigits_test.go
+++ b/tests/go/printdigits_test.go
@@ -1,8 +1,9 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestPrintDigits(t *testing.T) {
diff --git a/tests/go/printprogramname_test.go b/tests/go/printprogramname_test.go
index 7e10bd5c..92ba1494 100644
--- a/tests/go/printprogramname_test.go
+++ b/tests/go/printprogramname_test.go
@@ -1,9 +1,10 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"strings"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestPrintProgramName(t *testing.T) {
diff --git a/tests/go/printreversealphabet_test.go b/tests/go/printreversealphabet_test.go
index 1c085ddc..885fc002 100644
--- a/tests/go/printreversealphabet_test.go
+++ b/tests/go/printreversealphabet_test.go
@@ -1,8 +1,9 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestPrintReverseAlphabet(t *testing.T) {
diff --git a/tests/go/raid2_test.go b/tests/go/raid2_test.go
index 575639bf..cbfba9f1 100644
--- a/tests/go/raid2_test.go
+++ b/tests/go/raid2_test.go
@@ -1,8 +1,9 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestRaid2(t *testing.T) {
diff --git a/tests/go/revparams_test.go b/tests/go/revparams_test.go
index 5c7a3b08..191394d0 100644
--- a/tests/go/revparams_test.go
+++ b/tests/go/revparams_test.go
@@ -1,8 +1,9 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestRevParams(t *testing.T) {
diff --git a/tests/go/solutions/anagram/anagram_test.go b/tests/go/solutions/anagram/anagram_test.go
index ec3c8e1b..0439b17f 100644
--- a/tests/go/solutions/anagram/anagram_test.go
+++ b/tests/go/solutions/anagram/anagram_test.go
@@ -36,7 +36,7 @@ func TestIsAnagram(t *testing.T) {
 	)
 
 	for i := 0; i < 15; i++ {
-		value := node {
+		value := node{
 			s: z01.RandStr(z01.RandIntBetween(15, 20), "qwertyuiopasdfghjklzxcvbnm "),
 			t: z01.RandStr(z01.RandIntBetween(15, 20), "qwertyuiopasdfghjklzxcvbnm "),
 		}
@@ -44,7 +44,7 @@ func TestIsAnagram(t *testing.T) {
 		table = append(table, value)
 	}
 
-	for _, arg := range(table) {
+	for _, arg := range table {
 		z01.Challenge(t, IsAnagram, solutions.IsAnagram, arg.s, arg.t)
 	}
-}
\ No newline at end of file
+}
diff --git a/tests/go/solutions/brainfuck/main.go b/tests/go/solutions/brainfuck/main.go
index 30054e85..f12e8864 100644
--- a/tests/go/solutions/brainfuck/main.go
+++ b/tests/go/solutions/brainfuck/main.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"os"
+
+	"github.com/01-edu/z01"
 )
 
 const SIZE = 2048
diff --git a/tests/go/solutions/comparetrees.go b/tests/go/solutions/comparetrees.go
index 85a95fa9..94a5605a 100644
--- a/tests/go/solutions/comparetrees.go
+++ b/tests/go/solutions/comparetrees.go
@@ -3,8 +3,9 @@
 package solutions
 
 import (
-	student "../student"
 	"testing"
+
+	student "../student"
 )
 
 func CompareTrees(root *solutions.TreeNode, rootS *student.TreeNode, t *testing.T) {
diff --git a/tests/go/solutions/findprevprimeprog/main.go b/tests/go/solutions/findprevprimeprog/main.go
index 8f734a19..0f73dfe7 100644
--- a/tests/go/solutions/findprevprimeprog/main.go
+++ b/tests/go/solutions/findprevprimeprog/main.go
@@ -1,6 +1,6 @@
 package main
 
-func main(){
+func main() {
 
 }
 
diff --git a/tests/go/solutions/inverttree.go b/tests/go/solutions/inverttree.go
index b5c16763..5f7673ab 100644
--- a/tests/go/solutions/inverttree.go
+++ b/tests/go/solutions/inverttree.go
@@ -1,23 +1,23 @@
 package solutions
 
 type TNode struct {
-    Val   int
-    Left  *TNode
-    Right *TNode
+	Val   int
+	Left  *TNode
+	Right *TNode
 }
 
 func Invert(root *TNode) {
-    if root != nil {
-        temp := root.Left
-        root.Left = root.Right
-        root.Right = temp
+	if root != nil {
+		temp := root.Left
+		root.Left = root.Right
+		root.Right = temp
 
-        Invert(root.Left)
-        Invert(root.Right)
-    }
+		Invert(root.Left)
+		Invert(root.Right)
+	}
 }
 
 func InvertTree(root *TNode) *TNode {
-    Invert(root)
-    return root
+	Invert(root)
+	return root
 }
diff --git a/tests/go/solutions/inverttree/inverttree_test.go b/tests/go/solutions/inverttree/inverttree_test.go
index cfef1014..d6317afc 100644
--- a/tests/go/solutions/inverttree/inverttree_test.go
+++ b/tests/go/solutions/inverttree/inverttree_test.go
@@ -4,9 +4,9 @@ import (
 	"io"
 	// "os"
 	"fmt"
-    "math/rand"
+	"math/rand"
+	"strconv"
 	"testing"
-    "strconv"
 
 	// "github.com/01-edu/z01"
 	solutions "../../solutions"
@@ -16,116 +16,116 @@ type stuNode = TNode
 type solNode = solutions.TNode
 
 func solInsert(N *solNode, newVal int) {
-    if N == nil {
-        return
-    } else if newVal <= N.Val {
-        if N.Left == nil {
-            N.Left = &solNode{Val: newVal, Left: nil, Right: nil}
-        } else {
-            solInsert(N.Left, newVal)
-        }
-    } else {
-        if N.Right == nil {
-            N.Right = &solNode{Val: newVal, Left: nil, Right: nil}
-        } else {
-            solInsert(N.Right, newVal)
-        }
-    }
+	if N == nil {
+		return
+	} else if newVal <= N.Val {
+		if N.Left == nil {
+			N.Left = &solNode{Val: newVal, Left: nil, Right: nil}
+		} else {
+			solInsert(N.Left, newVal)
+		}
+	} else {
+		if N.Right == nil {
+			N.Right = &solNode{Val: newVal, Left: nil, Right: nil}
+		} else {
+			solInsert(N.Right, newVal)
+		}
+	}
 }
 
 func stuInsert(N *stuNode, newVal int) {
-    if N == nil {
-        return
-    } else if newVal <= N.Val {
-        if N.Left == nil {
-            N.Left = &stuNode{Val: newVal, Left: nil, Right: nil}
-        } else {
-            stuInsert(N.Left, newVal)
-        }
-    } else {
-        if N.Right == nil {
-            N.Right = &stuNode{Val: newVal, Left: nil, Right: nil}
-        } else {
-            stuInsert(N.Right, newVal)
-        }
-    }
+	if N == nil {
+		return
+	} else if newVal <= N.Val {
+		if N.Left == nil {
+			N.Left = &stuNode{Val: newVal, Left: nil, Right: nil}
+		} else {
+			stuInsert(N.Left, newVal)
+		}
+	} else {
+		if N.Right == nil {
+			N.Right = &stuNode{Val: newVal, Left: nil, Right: nil}
+		} else {
+			stuInsert(N.Right, newVal)
+		}
+	}
 }
 
 func IsIdentical(root1 *solNode, root2 *stuNode) int {
-    if root1 == nil && root2 == nil {
-        return 1
-    } else if root1 == nil && root2 != nil {
-        return 0
-    } else if root2 == nil && root1 != nil {
-        return 0
-    } else {
-        if root1.Val == root2.Val && IsIdentical(root1.Left, root2.Left) == 1 && IsIdentical(root1.Right, root2.Right) == 1 {
-            return 1
-        } else {
-            return 0
-        }
-    }
-    return 1
+	if root1 == nil && root2 == nil {
+		return 1
+	} else if root1 == nil && root2 != nil {
+		return 0
+	} else if root2 == nil && root1 != nil {
+		return 0
+	} else {
+		if root1.Val == root2.Val && IsIdentical(root1.Left, root2.Left) == 1 && IsIdentical(root1.Right, root2.Right) == 1 {
+			return 1
+		} else {
+			return 0
+		}
+	}
+	return 1
 }
 
 func stuPrint(w io.Writer, node *stuNode, ns int, ch rune) {
-    if node == nil {
-        return
-    }
-
-    for i := 0; i < ns; i++ {
-        fmt.Fprint(w, " ")
-    }
-    fmt.Fprintf(w, "%c:%v\n", ch, node.Val)
-    stuPrint(w, node.Left, ns+2, 'L')
-    stuPrint(w, node.Right, ns+2, 'R')
+	if node == nil {
+		return
+	}
+
+	for i := 0; i < ns; i++ {
+		fmt.Fprint(w, " ")
+	}
+	fmt.Fprintf(w, "%c:%v\n", ch, node.Val)
+	stuPrint(w, node.Left, ns+2, 'L')
+	stuPrint(w, node.Right, ns+2, 'R')
 }
 
 func solPrint(w io.Writer, node *solNode, ns int, ch rune) {
-    if node == nil {
-        return
-    }
-
-    for i := 0; i < ns; i++ {
-        fmt.Fprint(w, " ")
-    }
-    fmt.Fprintf(w, "%c:%v\n", ch, node.Val)
-    solPrint(w, node.Left, ns+2, 'L')
-    solPrint(w, node.Right, ns+2, 'R')
+	if node == nil {
+		return
+	}
+
+	for i := 0; i < ns; i++ {
+		fmt.Fprint(w, " ")
+	}
+	fmt.Fprintf(w, "%c:%v\n", ch, node.Val)
+	solPrint(w, node.Left, ns+2, 'L')
+	solPrint(w, node.Right, ns+2, 'R')
 }
 
 func returnStuTree(root *stuNode) string {
-    if (root == nil) {
-        return ""
-    }
-    ans := strconv.Itoa(root.Val)
-    if (root.Left == nil && root.Right == nil) {
-        return ans
-    }
-    if (root.Left != nil) {
-       ans += " " + returnStuTree(root.Left)
-    }
-    if (root.Right != nil) {
-       ans += " " + returnStuTree(root.Right)
-    }
-    return ans
+	if root == nil {
+		return ""
+	}
+	ans := strconv.Itoa(root.Val)
+	if root.Left == nil && root.Right == nil {
+		return ans
+	}
+	if root.Left != nil {
+		ans += " " + returnStuTree(root.Left)
+	}
+	if root.Right != nil {
+		ans += " " + returnStuTree(root.Right)
+	}
+	return ans
 }
 
-func returnSolTree(root *solNode) string{
-    if (root == nil) {
-        return ""
-    }
-    ans := strconv.Itoa(root.Val)
-    if (root.Left == nil && root.Right == nil) {
-        return ans
-    }
-    if (root.Left != nil) {
-       ans += " " + returnSolTree(root.Left)
-    }
-    if (root.Right != nil) {
-       ans += " " + returnSolTree(root.Right)
-    }
-    return ans
+func returnSolTree(root *solNode) string {
+	if root == nil {
+		return ""
+	}
+	ans := strconv.Itoa(root.Val)
+	if root.Left == nil && root.Right == nil {
+		return ans
+	}
+	if root.Left != nil {
+		ans += " " + returnSolTree(root.Left)
+	}
+	if root.Right != nil {
+		ans += " " + returnSolTree(root.Right)
+	}
+	return ans
 }
 
 func TestInvertTree(t *testing.T) {
@@ -136,32 +136,32 @@ func TestInvertTree(t *testing.T) {
 	TestTree := &stuNode{Val: root, Left: nil, Right: nil}
 	for i := 0; i < 15; i++ {
 		tree = &solNode{Val: root, Left: nil, Right: nil}
-        temp := tree
+		temp := tree
 		val1, val2, val3, val4 = rand.Intn(30), rand.Intn(30), rand.Intn(30), rand.Intn(30)
-	    solInsert(tree, val1)
-	    solInsert(tree, val2)
-	    solInsert(tree, val3)
-	    solInsert(tree, val4)
-	    // solPrint(os.Stdout, tree, 0, 'M')
-	    solutions.InvertTree(tree)
-	    // solPrint(os.Stdout, tree, 0, 'M')
-
-	    TestTree = &stuNode{Val: root, Left: nil, Right: nil}
-        tmp := TestTree
-	    stuInsert(TestTree, val1)
-	    stuInsert(TestTree, val2)
-	    stuInsert(TestTree, val3)
-	    stuInsert(TestTree, val4)
-	    // stuPrint(os.Stdout, TestTree, 0, 'M')
-	    InvertTree(TestTree)
-	    // stuPrint(os.Stdout, TestTree, 0, 'M')
-
-	    ret := IsIdentical(tree, TestTree)
-	    if ret != 1 {
-            tree1 := returnSolTree(temp)
-            tree2 := returnStuTree(tmp)
-            t.Errorf("\n\"%v\" instead of \"%v\"\n\n", tree1, tree2)
-	        // t.Errorf("\nError\n\n")
-	    }
+		solInsert(tree, val1)
+		solInsert(tree, val2)
+		solInsert(tree, val3)
+		solInsert(tree, val4)
+		// solPrint(os.Stdout, tree, 0, 'M')
+		solutions.InvertTree(tree)
+		// solPrint(os.Stdout, tree, 0, 'M')
+
+		TestTree = &stuNode{Val: root, Left: nil, Right: nil}
+		tmp := TestTree
+		stuInsert(TestTree, val1)
+		stuInsert(TestTree, val2)
+		stuInsert(TestTree, val3)
+		stuInsert(TestTree, val4)
+		// stuPrint(os.Stdout, TestTree, 0, 'M')
+		InvertTree(TestTree)
+		// stuPrint(os.Stdout, TestTree, 0, 'M')
+
+		ret := IsIdentical(tree, TestTree)
+		if ret != 1 {
+			tree1 := returnSolTree(temp)
+			tree2 := returnStuTree(tmp)
+			t.Errorf("\n\"%v\" instead of \"%v\"\n\n", tree1, tree2)
+			// t.Errorf("\nError\n\n")
+		}
 	}
 }
diff --git a/tests/go/solutions/inverttree/main.go b/tests/go/solutions/inverttree/main.go
index ae1231e0..424ce69d 100644
--- a/tests/go/solutions/inverttree/main.go
+++ b/tests/go/solutions/inverttree/main.go
@@ -1,28 +1,27 @@
 package main
 
 type TNode struct {
-    Val   int
-    Left  *TNode
-    Right *TNode
+	Val   int
+	Left  *TNode
+	Right *TNode
 }
 
 func Invert(root *TNode) {
-    if root != nil {
-        temp := root.Left
-        root.Left = root.Right
-        root.Right = temp
+	if root != nil {
+		temp := root.Left
+		root.Left = root.Right
+		root.Right = temp
 
-        Invert(root.Left)
-        Invert(root.Right)
-    }
+		Invert(root.Left)
+		Invert(root.Right)
+	}
 }
 
 func InvertTree(root *TNode) *TNode {
-    Invert(root)
-    return root
+	Invert(root)
+	return root
 }
 
 func main() {
 
 }
-
diff --git a/tests/go/solutions/itoabaseprog/main.go b/tests/go/solutions/itoabaseprog/main.go
index 38143920..8a352d39 100644
--- a/tests/go/solutions/itoabaseprog/main.go
+++ b/tests/go/solutions/itoabaseprog/main.go
@@ -2,11 +2,13 @@ package main
 
 import (
 	"fmt"
-	"github.com/01-edu/z01"
 	"strconv"
 
-	student "../../student"
+	"github.com/01-edu/z01"
+
 	"strings"
+
+	student "../../student"
 )
 
 func ItoaBase(value, base int) string {
diff --git a/tests/go/solutions/lcm.go b/tests/go/solutions/lcm.go
index 3b9e1747..bad0b0a1 100644
--- a/tests/go/solutions/lcm.go
+++ b/tests/go/solutions/lcm.go
@@ -1,19 +1,19 @@
 package solutions
 
-//This solution is the comparing file of the staff
-// Because the solution is a function,
+// This solution is the comparing file of the staff
+//  Because the solution is a function,
 //
-//1) here the package is solutions
-//2) it does not need an empty func main(){}
-//3) its location is 1 level below the folder of the nauuo_test.go file
+// 1) here the package is solutions
+// 2) it does not need an empty func main(){}
+// 3) its location is 1 level below the folder of the nauuo_test.go file
 
 func gcd(first, second int) int {
-	if (second == 0) {
-		return (first)
+	if second == 0 {
+		return first
 	}
-	return (gcd(second, first % second))
+	return gcd(second, first%second)
 }
 
 func Lcm(first, second int) int {
-	return (first / gcd(second, first % second) * second)
-}
\ No newline at end of file
+	return first / gcd(second, first%second) * second
+}
diff --git a/tests/go/solutions/nenokku/main.go b/tests/go/solutions/nenokku/main.go
index cd578e48..6d02e68c 100644
--- a/tests/go/solutions/nenokku/main.go
+++ b/tests/go/solutions/nenokku/main.go
@@ -1,8 +1,8 @@
 package main
 
 import (
-	"os"
 	"fmt"
+	"os"
 	"strings"
 )
 
diff --git a/tests/go/solutions/nenokku/nenokku_test.go b/tests/go/solutions/nenokku/nenokku_test.go
index e9f1e7ac..973c50ee 100644
--- a/tests/go/solutions/nenokku/nenokku_test.go
+++ b/tests/go/solutions/nenokku/nenokku_test.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"testing"
+
 	"github.com/01-edu/z01"
 )
 
@@ -27,13 +28,13 @@ func TestNenokku(t *testing.T) {
 		},
 	)
 
-	sets := [][]string {
+	sets := [][]string{
 		[]string{"An", "array", "variable", "denotes", "the", "entire", "array"},
 		[]string{"This", "means", "that", "when", "you", "assign", "or", "pass"},
 		[]string{"To", "avoid", "the", "copy", "you", "could", "pass"},
 		[]string{"struct", "but", "with", "indexed", "rather", "than", "named", "fields"},
 	}
-	ops := []string {
+	ops := []string{
 		"?", "x", "A",
 	}
 
@@ -44,13 +45,12 @@ func TestNenokku(t *testing.T) {
 		for j := 0; j < nOps; j++ {
 			k := z01.RandIntBetween(0, len(ops)-1)
 			s := z01.RandIntBetween(0, len(sets[index])-1)
-			result = append(result, ops[k] + " " + sets[index][s])
+			result = append(result, ops[k]+" "+sets[index][s])
 		}
 		table = append(table, node{result})
 	}
 
-
-	for _, arg := range table {	
+	for _, arg := range table {
 		z01.ChallengeMainExam(t, arg.operations...)
 	}
 }
diff --git a/tests/go/solutions/onlyz/onlyz_test.go b/tests/go/solutions/onlyz/onlyz_test.go
index e8817ccb..ae6b26c0 100644
--- a/tests/go/solutions/onlyz/onlyz_test.go
+++ b/tests/go/solutions/onlyz/onlyz_test.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestOnlyz(t *testing.T) {
diff --git a/tests/go/solutions/piglatin/main.go b/tests/go/solutions/piglatin/main.go
index bebe8449..8d44b494 100644
--- a/tests/go/solutions/piglatin/main.go
+++ b/tests/go/solutions/piglatin/main.go
@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"os"
+
 	"github.com/01-edu/z01"
 )
 
diff --git a/tests/go/solutions/pilot/pilot.go b/tests/go/solutions/pilot/pilot.go
index b2b856ab..2fd76e10 100644
--- a/tests/go/solutions/pilot/pilot.go
+++ b/tests/go/solutions/pilot/pilot.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	student ".."
 	"fmt"
+
+	student ".."
 )
 
 func main() {
diff --git a/tests/go/solutions/printalphabetprog/printalphabetprog_test.go b/tests/go/solutions/printalphabetprog/printalphabetprog_test.go
index 8a06582b..32b138e1 100644
--- a/tests/go/solutions/printalphabetprog/printalphabetprog_test.go
+++ b/tests/go/solutions/printalphabetprog/printalphabetprog_test.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestPrintAlphabetProg(t *testing.T) {
diff --git a/tests/go/solutions/printchessboard.go b/tests/go/solutions/printchessboard.go
index f51b7177..2bd97df8 100644
--- a/tests/go/solutions/printchessboard.go
+++ b/tests/go/solutions/printchessboard.go
@@ -1,9 +1,10 @@
 package solutions
 
 import (
-	"github.com/01-edu/z01"
 	"os"
 	"strconv"
+
+	"github.com/01-edu/z01"
 )
 
 func printLineCh(str string) {
diff --git a/tests/go/solutions/printchessboard/main.go b/tests/go/solutions/printchessboard/main.go
index 6e92e5e9..0a683c33 100644
--- a/tests/go/solutions/printchessboard/main.go
+++ b/tests/go/solutions/printchessboard/main.go
@@ -1,9 +1,10 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"os"
 	"strconv"
+
+	"github.com/01-edu/z01"
 )
 
 func printLine(str string) {
diff --git a/tests/go/solutions/printchessboard/printchessboard_test.go b/tests/go/solutions/printchessboard/printchessboard_test.go
index 7bed560e..bbf56585 100644
--- a/tests/go/solutions/printchessboard/printchessboard_test.go
+++ b/tests/go/solutions/printchessboard/printchessboard_test.go
@@ -1,9 +1,10 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"strconv"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestPrintChessBoard(t *testing.T) {
diff --git a/tests/go/solutions/printdigitsprog/printdigitsprog_test.go b/tests/go/solutions/printdigitsprog/printdigitsprog_test.go
index 30893310..5d97f630 100644
--- a/tests/go/solutions/printdigitsprog/printdigitsprog_test.go
+++ b/tests/go/solutions/printdigitsprog/printdigitsprog_test.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestPrintDigitsProg(t *testing.T) {
diff --git a/tests/go/solutions/priorprime.go b/tests/go/solutions/priorprime.go
index 4dc85fe5..13733644 100644
--- a/tests/go/solutions/priorprime.go
+++ b/tests/go/solutions/priorprime.go
@@ -22,4 +22,4 @@ func Priorprime(x int) int {
 		}
 	}
 	return ans
-}
\ No newline at end of file
+}
diff --git a/tests/go/solutions/priorprime/priorprime_test.go b/tests/go/solutions/priorprime/priorprime_test.go
index 40361455..2884f51a 100644
--- a/tests/go/solutions/priorprime/priorprime_test.go
+++ b/tests/go/solutions/priorprime/priorprime_test.go
@@ -15,7 +15,7 @@ func TestPriorprime(t *testing.T) {
 	// (note: a node is not always necessary but in this case it makes the writing of the test easier)
 
 	type node struct {
-		first  int
+		first int
 	}
 
 	// Declaration of  an empty array of type node{}
@@ -31,8 +31,8 @@ func TestPriorprime(t *testing.T) {
 		node{13},
 		node{10},
 		node{0},
-		node{1},		
-		node{2},		
+		node{1},
+		node{2},
 	)
 
 	// If we were to leave the table as it is, a student could just do a program with 4 ifs and get
@@ -40,7 +40,7 @@ func TestPriorprime(t *testing.T) {
 
 	for i := 0; i < 15; i++ {
 		value := node{
-			first:  z01.RandIntBetween(0, 1000),
+			first: z01.RandIntBetween(0, 1000),
 			//this z01.RandIntBetween function allows the randomization of
 			//the int for each value in a desired range.
 			//Note that they are many others of those functions for other types of data
diff --git a/tests/go/solutions/repeatalpha/main.go b/tests/go/solutions/repeatalpha/main.go
index 93a477db..4bb03806 100644
--- a/tests/go/solutions/repeatalpha/main.go
+++ b/tests/go/solutions/repeatalpha/main.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"os"
+
+	"github.com/01-edu/z01"
 )
 
 func toLowerCase(a rune) rune {
diff --git a/tests/go/solutions/robottoorigin/main.go b/tests/go/solutions/robottoorigin/main.go
index 3b83f849..07ee2f4c 100644
--- a/tests/go/solutions/robottoorigin/main.go
+++ b/tests/go/solutions/robottoorigin/main.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"os"
+
+	"github.com/01-edu/z01"
 )
 
 func solve(str string) bool {
diff --git a/tests/go/solutions/robottoorigin/robottoorigin_test.go b/tests/go/solutions/robottoorigin/robottoorigin_test.go
index 0bbae6f4..3ee7b719 100644
--- a/tests/go/solutions/robottoorigin/robottoorigin_test.go
+++ b/tests/go/solutions/robottoorigin/robottoorigin_test.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"testing"
+
 	"github.com/01-edu/z01"
 )
 
@@ -21,4 +22,4 @@ func TestRobotToOrigin(t *testing.T) {
 	for _, arg := range table {
 		z01.ChallengeMainExam(t, arg)
 	}
-}
\ No newline at end of file
+}
diff --git a/tests/go/solutions/sametree.go b/tests/go/solutions/sametree.go
index 9b3cb742..85da3585 100644
--- a/tests/go/solutions/sametree.go
+++ b/tests/go/solutions/sametree.go
@@ -1,27 +1,27 @@
 package solutions
 
 type TreeNodeL struct {
-    Left    *TreeNodeL
-    Val     int
-    Right   *TreeNodeL
+	Left  *TreeNodeL
+	Val   int
+	Right *TreeNodeL
 }
 
 func IsSameTree(p *TreeNodeL, q *TreeNodeL) bool {
-    if (p == nil && q == nil) {
-        return true
-    }
-    if (checkIfEq(p, q) == true) {
-        return true
-    }
-    return false
+	if p == nil && q == nil {
+		return true
+	}
+	if checkIfEq(p, q) == true {
+		return true
+	}
+	return false
 }
 
 func checkIfEq(t1 *TreeNodeL, t2 *TreeNodeL) bool {
-    if (t1 == nil && t2 == nil) {
-        return true
-    }
-    if (t1 == nil || t2 == nil) {
-        return false;
-    }
-    return (t1.Val == t2.Val && checkIfEq(t1.Right, t2.Right) && checkIfEq(t1.Left, t2.Left))
+	if t1 == nil && t2 == nil {
+		return true
+	}
+	if t1 == nil || t2 == nil {
+		return false
+	}
+	return (t1.Val == t2.Val && checkIfEq(t1.Right, t2.Right) && checkIfEq(t1.Left, t2.Left))
 }
diff --git a/tests/go/solutions/sametree/main.go b/tests/go/solutions/sametree/main.go
index f56483bc..5ba2b18c 100644
--- a/tests/go/solutions/sametree/main.go
+++ b/tests/go/solutions/sametree/main.go
@@ -1,31 +1,31 @@
 package main
 
 type TreeNodeL struct {
-    Left    *TreeNodeL
-    Val     int
-    Right   *TreeNodeL
+	Left  *TreeNodeL
+	Val   int
+	Right *TreeNodeL
 }
 
 func IsSameTree(p *TreeNodeL, q *TreeNodeL) bool {
-    if (p == nil && q == nil) {
-        return true
-    }
-    if (checkIfEq(p, q) == true) {
-        return true
-    }
-    return false
+	if p == nil && q == nil {
+		return true
+	}
+	if checkIfEq(p, q) == true {
+		return true
+	}
+	return false
 }
 
 func checkIfEq(t1 *TreeNodeL, t2 *TreeNodeL) bool {
-    if (t1 == nil && t2 == nil) {
-        return true
-    }
-    if (t1 == nil || t2 == nil) {
-        return false;
-    }
-    return (t1.Val == t2.Val && checkIfEq(t1.Right, t2.Right) && checkIfEq(t1.Left, t2.Left))
+	if t1 == nil && t2 == nil {
+		return true
+	}
+	if t1 == nil || t2 == nil {
+		return false
+	}
+	return (t1.Val == t2.Val && checkIfEq(t1.Right, t2.Right) && checkIfEq(t1.Left, t2.Left))
 }
 
 func main() {
-    
-}
\ No newline at end of file
+
+}
diff --git a/tests/go/solutions/sametree/sametree_test.go b/tests/go/solutions/sametree/sametree_test.go
index 4b7daa1d..ffb28c97 100644
--- a/tests/go/solutions/sametree/sametree_test.go
+++ b/tests/go/solutions/sametree/sametree_test.go
@@ -1,124 +1,123 @@
 package main
 
 import (
-    "testing"
-    "math/rand"
-    "strconv"
-    "github.com/01-edu/z01"
-    solutions "../../solutions"
+	"math/rand"
+	"strconv"
+	"testing"
+
+	solutions "../../solutions"
+	"github.com/01-edu/z01"
 )
 
 type stuTreeNode = TreeNodeL
 type solTreeNode = solutions.TreeNodeL
 
 func insertStu(t *stuTreeNode, v int) *stuTreeNode {
-    if t == nil {
-        return &stuTreeNode{Left: nil, Val: v, Right: nil}
-    }
-    if v < t.Val {
-        t.Left = insertStu(t.Left, v)
-        return t
-    }
-    t.Right = insertStu(t.Right, v)
-    return t
+	if t == nil {
+		return &stuTreeNode{Left: nil, Val: v, Right: nil}
+	}
+	if v < t.Val {
+		t.Left = insertStu(t.Left, v)
+		return t
+	}
+	t.Right = insertStu(t.Right, v)
+	return t
 }
 
 func insertSol(t *solTreeNode, v int) *solTreeNode {
-    if t == nil {
-        return &solTreeNode{Left: nil, Val: v, Right: nil}
-    }
-    if v < t.Val {
-        t.Left = insertSol(t.Left, v)
-        return t
-    }
-    t.Right = insertSol(t.Right, v)
-    return t
+	if t == nil {
+		return &solTreeNode{Left: nil, Val: v, Right: nil}
+	}
+	if v < t.Val {
+		t.Left = insertSol(t.Left, v)
+		return t
+	}
+	t.Right = insertSol(t.Right, v)
+	return t
 }
 
 func New(n, k int) (*solTreeNode, *stuTreeNode, *solTreeNode) {
-    var cop *solTreeNode
-    var stu *stuTreeNode
-    var sol *solTreeNode
-    for _, v := range rand.Perm(n) {
-        cop = insertSol(cop, (1+v)*k)
-        stu = insertStu(stu, (1+v)*k)
-        sol = insertSol(sol, (1+v)*k)
-    }
-    return cop, stu, sol
+	var cop *solTreeNode
+	var stu *stuTreeNode
+	var sol *solTreeNode
+	for _, v := range rand.Perm(n) {
+		cop = insertSol(cop, (1+v)*k)
+		stu = insertStu(stu, (1+v)*k)
+		sol = insertSol(sol, (1+v)*k)
+	}
+	return cop, stu, sol
 }
 
-func returnSolTree(root *solTreeNode) string{
-    if (root == nil) {
-        return ""
-    }
-    ans := strconv.Itoa(root.Val)
-    if (root.Left == nil && root.Right == nil) { 
-        return ans
-    }
-    if (root.Left != nil) {
-       ans += " " + returnSolTree(root.Left)
-    }
-    if (root.Right != nil) {
-       ans += " " + returnSolTree(root.Right)
-    }
-    return ans
+func returnSolTree(root *solTreeNode) string {
+	if root == nil {
+		return ""
+	}
+	ans := strconv.Itoa(root.Val)
+	if root.Left == nil && root.Right == nil {
+		return ans
+	}
+	if root.Left != nil {
+		ans += " " + returnSolTree(root.Left)
+	}
+	if root.Right != nil {
+		ans += " " + returnSolTree(root.Right)
+	}
+	return ans
 }
 
 func returnStuTree(root *stuTreeNode) string {
-    if (root == nil) {
-        return ""
-    }
-    ans := strconv.Itoa(root.Val)
-    if (root.Left == nil && root.Right == nil) { 
-        return ans
-    }
-    if (root.Left != nil) {
-       ans += " " + returnStuTree(root.Left)
-    }
-    if (root.Right != nil) {
-       ans += " " + returnStuTree(root.Right)
-    }
-    return ans
+	if root == nil {
+		return ""
+	}
+	ans := strconv.Itoa(root.Val)
+	if root.Left == nil && root.Right == nil {
+		return ans
+	}
+	if root.Left != nil {
+		ans += " " + returnStuTree(root.Left)
+	}
+	if root.Right != nil {
+		ans += " " + returnStuTree(root.Right)
+	}
+	return ans
 }
 
-
 func compareResults(t *testing.T, stuResult, solResult bool, solTree1, solTree2 *solTreeNode) {
-    if stuResult != solResult {
-        tree1 := returnSolTree(solTree1)
-        tree2 := returnSolTree(solTree2)
-        t.Errorf("\nIsSameTree(\"%v\", \"%v\") == \"%v\" instead of \"%v\"\n\n", tree1, tree2, stuResult, solResult)
-    }
+	if stuResult != solResult {
+		tree1 := returnSolTree(solTree1)
+		tree2 := returnSolTree(solTree2)
+		t.Errorf("\nIsSameTree(\"%v\", \"%v\") == \"%v\" instead of \"%v\"\n\n", tree1, tree2, stuResult, solResult)
+	}
 }
 
 func TestMerge(t *testing.T) {
-    type node struct {
-        n int
-        k int
-    }
-
-    table := []node{}
-    for i := 0; i < 15; i++ {
-        value := node{z01.RandIntBetween(10, 15), z01.RandIntBetween(1, 10)}
-        table = append(table, value)
-    }
-
-    // Check for different trees
-    for _, arg := range table {
-        cop1, stuTree1, solTree1 := New(arg.n, arg.k)
-        cop2, stuTree2, solTree2 := New(arg.n, arg.k)
-        stuResult := IsSameTree(stuTree1, stuTree2)
-        solResult := solutions.IsSameTree(solTree1, solTree2)
-
-        compareResults(t, stuResult, solResult, cop1, cop2)
-    }
-
-    // Check for same trees
-    for _, arg := range table {
-        cop1, stuTree1, solTree1 := New(arg.n, arg.k)
-        stuResult := IsSameTree(stuTree1, stuTree1)
-        solResult := solutions.IsSameTree(solTree1, solTree1)
-
-        compareResults(t, stuResult, solResult, cop1, cop1)
-    }
+	type node struct {
+		n int
+		k int
+	}
+
+	table := []node{}
+	for i := 0; i < 15; i++ {
+		value := node{z01.RandIntBetween(10, 15), z01.RandIntBetween(1, 10)}
+		table = append(table, value)
+	}
+
+	// Check for different trees
+	for _, arg := range table {
+		cop1, stuTree1, solTree1 := New(arg.n, arg.k)
+		cop2, stuTree2, solTree2 := New(arg.n, arg.k)
+		stuResult := IsSameTree(stuTree1, stuTree2)
+		solResult := solutions.IsSameTree(solTree1, solTree2)
+
+		compareResults(t, stuResult, solResult, cop1, cop2)
+	}
+
+	// Check for same trees
+	for _, arg := range table {
+		cop1, stuTree1, solTree1 := New(arg.n, arg.k)
+		stuResult := IsSameTree(stuTree1, stuTree1)
+		solResult := solutions.IsSameTree(solTree1, solTree1)
+
+		compareResults(t, stuResult, solResult, cop1, cop1)
+	}
 }
-
diff --git a/tests/go/solutions/searchreplace/main.go b/tests/go/solutions/searchreplace/main.go
index add14b57..0c325790 100644
--- a/tests/go/solutions/searchreplace/main.go
+++ b/tests/go/solutions/searchreplace/main.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"os"
+
+	"github.com/01-edu/z01"
 )
 
 func main() {
diff --git a/tests/go/solutions/strrevprog/main.go b/tests/go/solutions/strrevprog/main.go
index 9f29cd8d..f0731d69 100644
--- a/tests/go/solutions/strrevprog/main.go
+++ b/tests/go/solutions/strrevprog/main.go
@@ -1,9 +1,10 @@
 package main
 
 import (
-	solutions ".."
 	"fmt"
 	"os"
+
+	solutions ".."
 )
 
 func main() {
diff --git a/tests/go/solutions/swapbits/swapbits_test.go b/tests/go/solutions/swapbits/swapbits_test.go
index ae7dbb04..819ca6cf 100644
--- a/tests/go/solutions/swapbits/swapbits_test.go
+++ b/tests/go/solutions/swapbits/swapbits_test.go
@@ -1,10 +1,11 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"reflect"
 	"testing"
 
+	"github.com/01-edu/z01"
+
 	solutions "../../solutions"
 )
 
diff --git a/tests/go/solutions/testConvertBase/main.go b/tests/go/solutions/testConvertBase/main.go
index cdfd9753..044a835b 100644
--- a/tests/go/solutions/testConvertBase/main.go
+++ b/tests/go/solutions/testConvertBase/main.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	solutions "../../solutions"
 	"fmt"
+
+	solutions "../../solutions"
 )
 
 func main() {
diff --git a/tests/go/solutions/twosum.go b/tests/go/solutions/twosum.go
index 3b8c86c8..667cd230 100644
--- a/tests/go/solutions/twosum.go
+++ b/tests/go/solutions/twosum.go
@@ -3,7 +3,7 @@ package solutions
 func TwoSum(nums []int, target int) []int {
 	for i := 0; i < len(nums); i++ {
 		for j := i + 1; j < len(nums); j++ {
-			if (nums[i] + nums[j] == target) {
+			if nums[i]+nums[j] == target {
 				return []int{i, j}
 			}
 		}
diff --git a/tests/go/solutions/twosum/main.go b/tests/go/solutions/twosum/main.go
index 19f60b13..524586e7 100644
--- a/tests/go/solutions/twosum/main.go
+++ b/tests/go/solutions/twosum/main.go
@@ -1,17 +1,16 @@
 package main
 
 func TwoSum(nums []int, target int) []int {
-    for i := 0; i < len(nums); i++ {
-        for j := i + 1; j < len(nums); j++ {
-            if (nums[i] + nums[j] == target) {
-                    return []int{i, j}
-            }
-        }
-    }
-    return nil
+	for i := 0; i < len(nums); i++ {
+		for j := i + 1; j < len(nums); j++ {
+			if nums[i]+nums[j] == target {
+				return []int{i, j}
+			}
+		}
+	}
+	return nil
 }
 
 func main() {
 
 }
-
diff --git a/tests/go/solutions/twosum/twosum_test.go b/tests/go/solutions/twosum/twosum_test.go
index 00835f3c..2439577c 100644
--- a/tests/go/solutions/twosum/twosum_test.go
+++ b/tests/go/solutions/twosum/twosum_test.go
@@ -1,17 +1,17 @@
 package main
 
 import (
-    "math/rand"
+	"math/rand"
 	"testing"
 
-	"github.com/01-edu/z01"
 	solutions "../../solutions"
+	"github.com/01-edu/z01"
 )
 
 func TestTwoSum(t *testing.T) {
-    for i := 0; i < 20; i++ {
-    	token := rand.Perm(20)
-	target := rand.Intn(30)
-    	z01.Challenge(t, TwoSum, solutions.TwoSum, token, target)
-    }
+	for i := 0; i < 20; i++ {
+		token := rand.Perm(20)
+		target := rand.Intn(30)
+		z01.Challenge(t, TwoSum, solutions.TwoSum, token, target)
+	}
 }
diff --git a/tests/go/solutions/uniqueoccurences/main.go b/tests/go/solutions/uniqueoccurences/main.go
index ee9c33dc..354815ac 100644
--- a/tests/go/solutions/uniqueoccurences/main.go
+++ b/tests/go/solutions/uniqueoccurences/main.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	"github.com/01-edu/z01"
 	"os"
+
+	"github.com/01-edu/z01"
 )
 
 func solve(str string) bool {
diff --git a/tests/go/solutions/uniqueoccurences/uniqueoccurences_test.go b/tests/go/solutions/uniqueoccurences/uniqueoccurences_test.go
index 82cfe297..db40bf37 100644
--- a/tests/go/solutions/uniqueoccurences/uniqueoccurences_test.go
+++ b/tests/go/solutions/uniqueoccurences/uniqueoccurences_test.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"testing"
+
 	"github.com/01-edu/z01"
 )
 
@@ -23,4 +24,4 @@ func TestUniqueOccurences(t *testing.T) {
 	for _, arg := range table {
 		z01.ChallengeMainExam(t, arg)
 	}
-}
\ No newline at end of file
+}
diff --git a/tests/go/solutions/ztail/main.go b/tests/go/solutions/ztail/main.go
index e1334667..c9755421 100644
--- a/tests/go/solutions/ztail/main.go
+++ b/tests/go/solutions/ztail/main.go
@@ -2,9 +2,10 @@ package main
 
 import (
 	"fmt"
-	"github.com/01-edu/z01"
 	"os"
 	"strconv"
+
+	"github.com/01-edu/z01"
 )
 
 func numberOfBytes(args []string) (int, []string) {
diff --git a/tests/go/sortparams_test.go b/tests/go/sortparams_test.go
index cba6348c..bb7e547c 100644
--- a/tests/go/sortparams_test.go
+++ b/tests/go/sortparams_test.go
@@ -1,8 +1,9 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 func TestSortParams(t *testing.T) {
diff --git a/tests/go/swapbits_test.go b/tests/go/swapbits_test.go
index 7d03ed26..821b02c7 100644
--- a/tests/go/swapbits_test.go
+++ b/tests/go/swapbits_test.go
@@ -1,10 +1,11 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"reflect"
 	"testing"
 
+	"github.com/01-edu/z01"
+
 	solutions "./solutions"
 	student "./student"
 )
diff --git a/tests/go/ztail_test.go b/tests/go/ztail_test.go
index b88804eb..53fba308 100644
--- a/tests/go/ztail_test.go
+++ b/tests/go/ztail_test.go
@@ -1,9 +1,10 @@
 package student_test
 
 import (
-	"github.com/01-edu/z01"
 	"strings"
 	"testing"
+
+	"github.com/01-edu/z01"
 )
 
 //Compares only the stdout of each program