Human: Can you show me a Python program to make string uppercase. Assistant: 
Here is a Python program to make string uppercase

import re

def uppercase(s):
    """
    Make string uppercase

    :param s:
    :return:
    """
    return s.upper()

# Enter the string
string = "lilly"

# Calling the function
print((uppercase(string)))

#Example Output
# LILLY

#Remember to inspect code for bugs.