1.
a. 
def mystery1(num1, num2):
    """Creates a list containing num2 repeated num1 times"""
    l = []
    
    for i in range(num1):
        l.append(num2)
    
    return l

b.
def mystery2(num1, num2):
    """Creates a list containing num2 repeated num1 times"""
    return [num2]*num1