sWAP cASE.py

# 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.

# For Example:

# Www.HackerRank.com → wWW.hACKERrANK.COM
# Pythonist 2 → pYTHONIST 2
# Input Format

# A single line containing a string .

# Constraints


# Output Format

# Print the modified string .

# Sample Input 0

# HackerRank.com presents "Pythonist 2".
# Sample Output 0

# hACKERrANK.COM PRESENTS "pYTHONIST 2".








def swap_case(s):
        new = ""
        for i in range(0,len(s)):
                if(s[i].isupper()):
                        new += s[i].lower()
                elif(s[i].islower):
                        new += s[i].upper()      
        return(new)

if __name__ == '__main__':
    s = input()
    result = swap_case(s)
    print(result)