how to use isupper,islower,upper,lower using for loop python code example
Example 1: python3 lowercase
str.lower()
Example 2: python to uppercase
original = Hello, World!
#both of these work
upper = original.upper()
upper = upper(original)
str.lower()
original = Hello, World!
#both of these work
upper = original.upper()
upper = upper(original)