# A client program that deals with dates.
# This version accompanies Date class with methods.

from Date import *

def main():
    # create three Date objects
    d1 = Date( 9, 19)
    d2 = Date( 7, 31)
    d3 = Date(12, 31)

    # advance each date and print its state
    d1.advance()
    print("d1 is", d1.month, "/", d1.day)
    d2.advance()
    print("d2 is", d2.month, "/", d2.day)
    d3.advance()
    print("d3 is", d3.month, "/", d3.day)

main()