upper() : Changes all chars to upper case letter in a string by Python

upper(): All chars changed to Upper case
All chars are changed to upper case letters , no parameter is taken by this method.

my_str='Welcome to plus2net Python section'
output=my_str.upper()
print(output)

Output

WELCOME TO PLUS2NET PYTHON SECTION

Example 1: Handling Empty String with upper()

my_str = ''
output = my_str.upper()
print(output)  # Output: ''

Output:

''

Example 2: Using upper() on String with Mixed Case and Special Characters

my_str = 'Welcome to Plus2Net! @2023'
output = my_str.upper()
print(output)  # Output: 'WELCOME TO PLUS2NET! @2023'

Output:

WELCOME TO PLUS2NET! @2023

Use Case: Converting User Input to Upper Case

user_input = input("Enter your name: ")
print(user_input.upper())

Output:

If input is 'john', output: 'JOHN'

All String methods lower() islower() isupper()

ljust() capitalize() Python- Tutorials

Subhendu Mohapatra

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