def print_list(x):
    if x == []:   #base case
        return
    first = x[0]
    print(first)
    rest = x[1:]
    print_list(rest)
def print_list1(x):
    if x == []:   #base case
        return
    first = x[0]
    rest = x[1:]
    print_list1(rest)
    print(first)
def cattle_prod(x):
    """prec: x is a numerical list
    postc:  returns the product of the entries in x"""
    if x == []:
        return 1
    first = x[0]
    rest = x[1:]
    return first * cattle_prod(rest)
print(cattle_prod([1,2,3,4,5,6,7]))
print_list1(["garret's", "reputation", "is", "on", "the", "line"])