Python String swapcase()

Table of Contents

1. String swapcase() Parameters()
2. Return value from String swapcase()
3. Example 1: Swap lowercase to uppercase and vice versa using swapcase()

The string swapcase() method converts all uppercase characters to lowercase and all lowercase characters to uppercase characters of the given string, and returns it.

The format of swapcase() method is:

string.swapcase()

Note: Not necessarily, string.swapcase().swapcase() == string

1. String swapcase() Parameters()

swapcase() method doesn’t take any parameters.

2. Return value from String swapcase()

swapcase() method returns the string where all uppercase characters are converted to lowercase, and lowercase characters are converted to uppercase.

3. Example 1: Swap lowercase to uppercase and vice versa using swapcase()

# example string
string = "THIS SHOULD ALL BE LOWERCASE."
print(string.swapcase())

string = "this should all be uppercase."
print(string.swapcase())

string = "ThIs ShOuLd Be MiXeD cAsEd."
print(string.swapcase())

Output

this should all be lowercase.
THIS SHOULD ALL BE UPPERCASE.
tHiS sHoUlD bE mIxEd CaSeD.

Note: If you want to convert string to lowercase only, use lower(). Likewise, if you want to convert string to uppercase only, use upper().

Python Program to Split a List Into Evenly Sized Chunks

Python String isupper()

Python Dictionary get()

Learning scikit-learn Machine Learning in Python - Raul Garreta & Guillermo Moncecchi

Python Program to Check If Two Strings are Anagram

Python Program to Remove Punctuations From a String

Python Program to Print Hello world!

Python Data Structures and Algorithms - Benjamin Baka

Python memoryview()

Generate a String

Introduction to Scientific Programming with Python - Joakim Sundnes

Python Global Keyword