Fix capitalise function variable redeclaration

Author: anitahy73

Sprint-3/1-key-errors/0.js

@@ -1,13 +1,23 @@
 // Predict and explain first...
-//  =============> write your prediction here
-
+//  =============> We will have syntax error because string is the parameter of the function and the next line,it is declared wit let
+//so it is declared two times in one part 
 // call the function capitalise with a string input
+
+
+function capitalise(str) {
+  str = `${str[0].toUpperCase()}${str.slice(1)}`;
+  return str;
+}
+console.log(capitalise("mother"));
 // interpret the error message and figure out why an error is occurring
 
 function capitalise(str) {
   let str = `${str[0].toUpperCase()}${str.slice(1)}`;
   return str;
 }
 
-// =============> write your explanation here
-// =============> write your new code here
+// =============> write your explanation here     SyntaxError: Identifier 'str' has already been declared
+// =============> write your new code here.       
+ function capitalise(str) {
+  return `${str[0].toUpperCase()}${str.slice(1)}`;
+}