pythonCollection/dailyCodingTask/day088_division.py at master · marcelpetrick/pythonCollection · GitHub

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# This question was asked by ContextLogic.

# Implement division of two positive integers without using the division, multiplication, or modulus operators.

# Return the quotient as an integer, ignoring the remainder.

# ------------------------------------------------------------------------------

import unittest

# ------------------------------------------------------------------------------

def divide(a,b):

if b == 0:

return None

quotient = 0

while a >= b:

a -= b

quotient += 1

return quotient

#------------------------------------------------------------------------------

class Testcase(unittest.TestCase):

def test_divide(self):

self.assertEqual(0, divide(0, 3))

self.assertEqual(2, divide(4, 2))

self.assertEqual(2, divide(5, 2))

self.assertEqual(3, divide(6, 2))

self.assertEqual(None, divide(5, 0))

#------------------------------------------------------------------------------

# ---- here comes the execution of the unit-tests ----

if __name__ == '__main__':

unittest.main()

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