Notice that variables have been declared for you. Write the simulated housekeeping() function that contains the prompts and input statements to retrieve a year, a month, and a day from the user.
Include the output statements in the simulated endOfJob() function. The format of the output is as follows:

month/day/year is a valid date.
or

month/day/year is an invalid date.
Execute the program by clicking the Run button at the bottom of the screen. Enter the following date:

month = 5, day = 32, year = 2014.
Execute the program entering the following date:

month = 9, day = 21, year = 2002.