30 Days Of Python

<script>let age = 20 </script> <script>let age = 22 </script> Getting: Identifier 'age' has already been declared.

var allows to declare a variable more than once. let does not allow you to declare and use the same variable again in the same file. correction <script> let age = 20 // initial value age = 20 // reassigning to a new value </script>