String made of 4 copies of last 2 characters

In this program, we will take a string as input and get a string made of 4 copies of last 2 characters

Steps to solve the program
  1. Take a string as input.
  2. Select the last 2 characters from the string using indexing.
  3. Multiply them by 4 to get 4 copies.
  4. Print the output

Output :

list of strings and returns the length of the longest string.

reverse a string if it’s length is a multiple of 4.

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