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+## reverse_it
+
+### Instructions
+
+Create a function called `reverse_it` that takes a number and returns a string with the number backwards followed by the original number. If the number is negative you should
+just add the char `-` to the beginning of the string.
+
+### Expected Functions
+
+```rust
+fn reverse_it(v: i32) -> String {}
+```
+
+### Usage
+
+Here is a program to test your function
+
+```rust
+fn main() {
+    println!("{}", reverse_it(123));
+    println!("{}", reverse_it(-123));
+}
+```
+
+And its output
+
+```console
+student@ubuntu:~/[[ROOT]]/test$ cargo run
+321123
+-321123
+student@ubuntu:~/[[ROOT]]/test$
+```