def product(x):
    """prec: x is a numerical list
    postc: returns the product of the entries in x"""
    pass
def sumPositives(x):
    """prec: x is a numerical list
    postc:  returns the sum of the positive entries in the list"""
    pass
def sumNegatives(x):
    """prec: x is a numerical list
    postc:  returns the sum of the negativwe entries in the list"""
    pass
def sumDigits(n):
    """prec: n is a nonnegative integer
    postc: returns the sum of the digits of n."""
    pass
def smallestFactor(n):
    """prec n is an integer n >= 2
    postc: returns the smallest divisor of n that is at least 2.
    examples: smallestFactor(51) -> 3, smallestFactor(7) -> 7"""
    pass
def sumOfSquaresOfDigits(n):
    """prec: n is a nonnegative number
    postc: return the sum of the squares of the digits of n
    examples sumOfSquaresOfDigits(14) -> 17
    sumOfSquaresOfDigits(25) -> 29"""
def grader(b):
    return "PASS" if b else "FALSE"
##main routine Test your code!
x = [1,2,3,4,5]
expected = 120
print(f"Case {x} for product: {grader(product(x)==expected)}")
x = []
expected = 1
print(f"Case {x} for product: {grader(product(x)==expected)}")