"""
Triple-quote comment at the top that includes a short description
of what the program does. Includes name of author and date.

Sally CS Major
Jan 18, 2020
"""

# imports, if needed, go here, before any functions
from math import sqrt

def main():
    print("-----------------------------------------")
    print("All programs should have a main function!")
    print("-----------------------------------------")
    print(sqrt(4.0))


main()