lowercase in pytohn 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: isupper() in python

#!/usr/bin/python

str = "THIS IS STRING EXAMPLE....WOW!!!"; 
print str.isupper()
#Prints True
str = "THIS is string example....wow!!!";
print str.isupper()
#prints False