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Python String upper()

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  • Last Updated : 03 Dec, 2020

upper() method converts all lowercase characters in a string into uppercase characters and returns it

Syntax :

string.upper()

Parameters :

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

Returns :

returns a uppercased string of the given string

CODE 1: String with only alphabetic characters




# Python3 program to show the
# working of upper() function
text = 'geeKs For geEkS'
  
print("Original String:")
print(text)
  
# upper() function to convert 
# string to upper_case
print("\nConverted String:")
print(text.upper())

Output :

Original String:
geeKs For geEkS

Converted String:
GEEKS FOR GEEKS

CODE 2: String with alphanumeric characters




# Python3 program to show the
# working of upper() function
text = 'g3Ek5 f0r gE3K5'
  
print("Original String:")
print(text)
  
# upper() function to convert 
# string to upper_case
print("\nConverted String:")
print(text.upper())

Output :

Original String:
g3Ek5 f0r gE3K5

Converted String:
G3EK5 F0R GE3K5

Application: One of the common application of upper() method is to check if the two strings are same or not




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

Output:

Strings are same

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