sWAP cASE Hacker Rank Solution – Queslers

Problem: sWAP cASE Hacker Rank Solution

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 S.

Constraints

0 <= len(S) <= 1000

Output Format

Print the modified string S.

Sample Input 0

HackerRank.com presents "Pythonist 2".

Sample Output 0

hACKERrANK.COM PRESENTS "pYTHONIST 2".

sWAP cASE Hacker Rank Solution in Python 2

# Enter your code here. Read input from STDIN. Print output to STDOUT
name = raw_input()
print ''.join(c.lower() if c.isupper() else c.upper() for c in name)

sWAP cASE Hacker Rank Solution in Python 3

def swap_case(s):
    return s.swapcase()

sWAP cASE Hacker Rank Solution in pypy

def swap_case(s):
    res = ''
    for ch in s:
        if ch.isupper():
            res += ch.lower()
        else:
            res += ch.upper()
    return res

sWAP cASE Hacker Rank Solution in pypy3

def swap_case(s):
    result = []
    for letter in s:
        if letter == letter.lower():
            result.append(letter.upper())
        elif letter == letter.upper():
            result.append(letter.lower())
        else:
            result.append(letter)
    return ''.join(result)
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Conclusion:

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This Problem is intended for audiences of all experiences who are interested in learning Programming in a business context; there are no prerequisites.

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