change the function assigning the variable num .

Author: gaireprakash20-ops

Sprint-3/1-key-errors/2.js

@@ -1,20 +1,30 @@
 
 // Predict and explain first BEFORE you run any code...
+// It show the reference error cause function not assigned the variable so that, code is stuck.
 
 // this function should square any number but instead we're going to get an error
 
 // =============> write your prediction of the error here
 
-function square(3) {
-    return num * num;
-}
+// function square(3) {
+//     return num * num;
+// }
 
 // =============> write the error message here
+// the message is SyntaxError: Unexpected number.
 
 // =============> explain this error message here
+// The error message is occured due to not assigning the variable in function. TO solve this problems we need to assign the num variable in function.
 
 // Finally, correct the code to fix the problem
 
 // =============> write your new code here
+function square(num) {
+    return num * num;
+}
+
+console.log(square(3));
+// The output of this programme is 9.
+