# -*- coding: utf-8 -*-
"""
Created on Thu Sep 22 10:03:56 2016

@author: progprim
"""


def area(a, b=1):
    """Given the lengths a and b of the sides of a
    rectangle, compute and return the area of the shape."""
    return a * b


def f(a, b, c):
    print("a = {}, b = {}, c = {}".format(a, b, c))


def test_area():
    print("Running tests for area function")
    assert area(0, 0) == 0
    assert area(1, 2) == 2
    assert area(2, 1) == 2
    assert area(1., 2) == 2


def main():
    print("the area is {}".format(area(2.5)))
    print("the area is {}".format(area(9)))
    print("the area is {}".format(area(2)))
    print("the area is {}".format(area(2.5, 1.5)))


main()