docs(copy, tic_tac_toe): Improve code example and console output

by putting output only in the console output and removing it from the code as comment

subjects/copy/README.md

@@ -40,13 +40,9 @@ fn main() {
     let c = vec![1, 2, 4, 5];
 
     println!("{:?}", nbr_function(a));
-    // output : (0, 1.0, inf)
     println!("{:?}", str_function(b));
-    // output : ("1 2 4 5 6", "2.718281828459045 7.38905609893065 54.598150033144236 148.4131591025766 403.4287934927351")
     println!("{:?}", vec_function(c));
-    //  output : ([1, 2, 4, 5], [0.0, 0.6931471805599453, 1.3862943611198906, 1.6094379124341003])
 }
-
 ```
 
 And its output:

subjects/tic_tac_toe/README.md

@@ -40,7 +40,7 @@ fn main() {
             vec!["X", "#", "X"]
         ])
     );
-    // "Tie"
+
     println!(
         "{:?}",
         tic_tac_toe(vec![
@@ -49,7 +49,6 @@ fn main() {
             vec!["#", "O", "X"]
         ])
     );
-    // "player O won"
 
     let dig = vec![
             vec!["O", "O", "X"],
@@ -58,7 +57,6 @@ fn main() {
         ];
 
     println!("{:?}",tic_tac_toe(dig));
-    // "player X won"
 }
 ```