Python Convert String to Uppercase or Lowercase
Python3 ExamplesIn Python, you can useupper()andlower()methods to convert a string to uppercase or lowercase.upper()The method converts all characters in the string to uppercase, whilelower()The method converts all characters in the string to lowercase.
Example
# Original string
original_string = "Hello, World!"
# Convert to uppercase
upper_case_string = original_string.upper()
# Convert to lowercase
lower_case_string = original_string.lower()
# Output result
print("Original String:", original_string)
print("Upper Case String:", upper_case_string)
print("Lower Case String:", lower_case_string)
original_string = "Hello, World!"
# Convert to uppercase
upper_case_string = original_string.upper()
# Convert to lowercase
lower_case_string = original_string.lower()
# Output result
print("Original String:", original_string)
print("Upper Case String:", upper_case_string)
print("Lower Case String:", lower_case_string)
Code explanation:
original_string.upper(): Callupper()method to convert the stringoriginal_stringAll characters in are converted to uppercase, and the result is stored inupper_case_string.original_string.lower(): Calllower()method to convert the stringoriginal_stringAll characters in are converted to lowercase, and the result is stored inlower_case_string.print(): Used to output the original string, the uppercase-converted string, and the lowercase-converted string.
Output result:
Original String: Hello, World! Upper Case String: HELLO, WORLD! Lower Case String: hello, world!Other Extensions