Update: fix countChar function with correct implementation and add example usage

Author: SuWebOnes

Sprint-3/3-mandatory-practice/implement/count.js

@@ -1,5 +1,11 @@
 function countChar(stringOfCharacters, findCharacter) {
-    return 5
+  // return 5; //This will always return 5, regardless of the inputs. So it’s just a placeholder.
+  return stringOfCharacters.split(findCharacter).length - 1;
 }
 
-module.exports = countChar;
+module.exports = countChar;
+
+// console.log(countChar("hello", "l")); // 2
+// console.log(countChar("hello world", "o")); // 2
+// console.log(countChar("banana", "a")); // 3
+// console.log(countChar("mississippi", "i")); // 5