Converts all characters in a string to uppercase
Usage
The upper() method returns a copy of the string with all the characters converted to uppercase. This method does not change the original string.
Syntax
string.upper()
Examples
# Convert all characters to uppercase
S = 'Hello, World!'
x = S.upper()
print(x)
# Prints HELLO, WORLD!upper() method ignores numbers and special characters in a string.
S = '123 abc $@%'
x = S.upper()
print(x)
# Prints 123 ABC $@%