Problem:

You are given a string and your task is to swap cases. In other words, convert all lowercase letters to uppercase letters and vice versa.

Www.HackerRank.com → wWW.hACKERrANK.COM Pythonist 2 → pYTHONIST 2

A single line containing a string S.

0<len(S)<=1000

Print the modified string S.

HackerRank.com presents "Pythonist 2".

hACKERrANK.COM PRESENTS "pYTHONIST 2".

Solution:



In [ ]:

    
def swap_case(s):
    if 0<len(s)<=1000:
        return s.swapcase()
    else:
        exit()