feat(go-exams): upgrade markdown

subjects/fishandchips/README.md

@@ -1,20 +1,21 @@
-# fishandchips
+## fishandchips
 
 ### Instructions
 
-Write a function called `FishAndChips()` that takes an integer and returns a string.
+Write a function called `FishAndChips()` that takes an `int` and returns a `string`.
 
+- If the number is divisible by 2, print `fish` followed by a newline `\n`.
 - If the number is divisible by 3, print `chips` followed by a newline `\n`.
 - If the number is divisible by 2 and 3, print `fish and chips` followed by a newline `\n`.
-- If is not divisible by any of 3 and 2 print newline `\n`.
 
 ### Expected function
 
 ```go
-func FishAndChips(n int32) string {
+func FishAndChips(n int) string {
 
 }
 ```
+
 ### Usage
 
 Here is a possible program to test your function:
@@ -22,20 +23,25 @@ Here is a possible program to test your function:
 ```go
 package main
 
+import (
+        "fmt"
+        "piscine"
+)
+
 func main() {
-	args := []int32{0, 6, 33, -3, 5, 8}
-	for i := 0; i < len(args); i++ {
-		Fishandchips(args[i])
-	}
+        fmt.Println(piscine.FishAndChips(4))
+        fmt.Println(piscine.FishAndChips(9))
+        fmt.Println(piscine.FishAndChips(6))
 }
 ```
+
 And its output:
 
 ```go
-fish and chips$
-fish and chips$
-chips$
+fish$
+$
 chips$
 $
+fish and chips$
 $
 ```