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Python String lower() Method

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  • Difficulty Level : Expert
  • Last Updated : 26 Oct, 2021

Python String lower() method converts all uppercase characters in a string into lowercase characters and returns it.

Syntax: 

string.lower()

Parameters: 

The lower() method doesn’t take any parameters. 

Returns: 

Returns a lowercase string of the given string

Example 1: String with only alphabetic characters 

Python3




# Python3 program to show the
# working of lower() function
text = 'GeEks FOR geeKS'
 
print("Original String:")
print(text)
 
# lower() function to convert
# string to lower_case
print("\nConverted String:")
print(text.lower())


Output: 

Original String:
GeEks FOR geeKS

Converted string:
geeks for geeks

Example 2: String with Alphanumeric Characters 

Python3




# Python3 program to show the
# working of lower() function
text = 'G3Ek5 F0R gE3K5'
 
print("Original String:")
print(text)
 
# lower() function to convert
# string to lower_case
print("\nConverted String:")
print(text.lower())


Output: 

Original String:
G3Ek5 F0R gE3K5

Converted String:
g3ek5 f0r ge3k5

Example 3

One of the common applications of the lower() method is to check if the two strings are the same or not.

Python3




# Python3 program to show the
# working of lower() function
text1 = 'GEEKS For GEEKS'
 
text2 = 'gEeKS fOR GeeKs'
 
# Comparison of strings using
# lower() method
if(text1.lower() == text2.lower()):
    print("Strings are same")
else:
    print("Strings are not same")


Output: 

Strings are same


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