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#!/usr/bin/python3
'''
Week 192:
https://theweeklychallenge.org/blog/perl-weekly-challenge-192
Task #1: Binary Flip
You are given a positive integer, $n.
Write a script to find the binary flip.
'''
import unittest
def binaryFlip(n) -> int:
return int(''.join([ '1' if i == '0' else '0'
for i in "{0:b}".format(n)]),2)
#
#
# Unit test class
class TestBinaryFlip(unittest.TestCase):
def test_binaryFlip(self):
self.assertEqual(binaryFlip(5), 2, 'Example 1')
self.assertEqual(binaryFlip(4), 3, 'Example 2')
self.assertEqual(binaryFlip(6), 1, 'Example 3')
unittest.main()
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