sWAP cASE in Python | HackerRank Programming Solutions | HackerRank Python Solutions

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Introduction To Python

Python is a widely-used, interpreted, object-oriented, and high-level programming language with dynamic semantics, used for general-purpose programming. It was created by Guido van Rossum, and first released on February 20, 1991.

Python is a computer programming language often used to build websites and software, automate tasks, and conduct data analysis. It is also used to create various machine learning algorithm, and helps in Artificial Intelligence. Python is a general purpose language, meaning it can be used to create a variety of different programs and isn’t specialized for any specific problems. This versatility, along with its beginner-friendliness, has made it one of the most-used programming languages today. A survey conducted by industry analyst firm RedMonk found that it was the most popular programming language among developers in 2020.

Link for the Problem – sWAP cASE in Python – HackerRank Solution

sWAP cASE in Python – HackerRank 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  

Function Description

Complete the swap_case function in the editor below.

swap_case has the following parameters:

• string s: the string to modify

Returns

• string: the modified string

Input Format

A single line containing a string .

Constraints

Sample Input 0

HackerRank.com presents "Pythonist 2".

Sample Output 0

hACKERrANK.COM PRESENTS "pYTHONIST 2".

sWAP cASE in Python – HackerRank Solution

def swap_case(s):

    # sWAP cASE in Python - HackerRank Solution START
    Output = '';
    for char in s:
        if(char.isupper()==True):
            Output += (char.lower());
        elif(char.islower()==True):
            Output += (char.upper());
        else:
            Output += char;
    return Output;
    # sWAP cASE in Python - HackerRank Solution END

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