"""
Please fill in your name and email address in the variables below.

Please complete prob1 and prob2, according to their funciton descriptions.
"""

# modify these variables
name="YOUR NAME"
stanford_email="yourname@stanford.edu"

def prob1():
    """ This function should return your name, your stanford email,
    and whether you've completed this problem.

    """
    # update `completed` variable
    completed = False
    return name, stanford_email, completed

def prob2(a, b):
    """ Return the sum of numbers a and b.
    """
    # modify the return statement to give the sum
    return 0