This notebook was prepared by Donne Martin. Source and license info is on GitHub.
Refer to the Solution Notebook. If you are stuck and need a hint, the solution notebook's algorithm discussion might be a good place to start.
class Bits(object):
def print_binary(self, num):
# TODO: Implement me
pass
The following unit test is expected to fail until you solve the challenge.
# %load test_print_binary.py
import unittest
class TestBits(unittest.TestCase):
def test_print_binary(self):
bit = Bits()
self.assertEqual(bit.print_binary(None), 'ERROR')
self.assertEqual(bit.print_binary(0), 'ERROR')
self.assertEqual(bit.print_binary(1), 'ERROR')
num = 0.625
expected = '0.101'
self.assertEqual(bit.print_binary(num), expected)
num = 0.987654321
self.assertEqual(bit.print_binary(num), 'ERROR')
print('Success: test_print_binary')
def main():
test = TestBits()
test.test_print_binary()
if __name__ == '__main__':
main()
Review the Solution Notebook for a discussion on algorithms and code solutions.