In this section, we will learn what String lower() method is and how to use it in Python.

What is String lower() Method in Python?

The Python string lower() method is used to turn the characters of a string value into lowercase.

Python String lower() Method Syntax:

string.lower()

String lower() Method Parameter

The method does not take an argument.

String lower() Method Return Value

The return value of this method is a copy of the target string value with all characters set to lowercase.

Example: converting string to lowercase python

s1 = "think BIG"

result = s1.lower()

print(result)

Output:

think big

Example: lowercase in python

s1 = "ThiS iS A STRing ValUE"

result = s1.lower()

print(result)

Output:

this is a string value

Example: convert uppercase to lowercase

s1 = "THIS IS A STRING VALUE"

result = s1.lower()

print(result)

Output:

this is a string value