upper adn lower in python code example

Example 1: python lowercase

// turn to lower/upper
string = string.upper()
string = string.lower()

// check if all letter are lower or upper
string.islower()
string.isupper()

Example 2: how do you change a string to only uppercase in python

original = Hello, World!

#both of these work
upper = original.upper()
upper = upper(original)