From bec3ea4022d39b97f0c7e3892cf0b46319746883 Mon Sep 17 00:00:00 2001 From: Roger Bell_West Date: Mon, 21 Sep 2020 15:06:16 +0100 Subject: Answers to challenge #79. --- challenge-079/roger-bell-west/python/ch-1.py | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100755 challenge-079/roger-bell-west/python/ch-1.py (limited to 'challenge-079/roger-bell-west/python/ch-1.py') diff --git a/challenge-079/roger-bell-west/python/ch-1.py b/challenge-079/roger-bell-west/python/ch-1.py new file mode 100755 index 0000000000..c3c5aff095 --- /dev/null +++ b/challenge-079/roger-bell-west/python/ch-1.py @@ -0,0 +1,21 @@ +#! /usr/bin/python + +import unittest + +def csb(tot): + bits=0 + m=1000000007; + for n in range(1,tot+1): + bits += bin(n).count("1") + bits %= m + return bits + +class TestCsb(unittest.TestCase): + + def test_ex1(self): + self.assertEqual(csb(4),5,'example 1') + + def test_ex2(self): + self.assertEqual(csb(3),4,'example 2') + +unittest.main() -- cgit