[Feature] FIZZ BUZZ!

Author: exterkamp

README.md

@@ -52,6 +52,9 @@ Different algorithmic programs.  Grouped by general topic.
 * [Hamming Distance](algorithms/bitwise/operations.py)
 * [Hamming Weight](algorithms/bitwise/operations.py)
 
-#### Mathematical Algortihms
+#### Mathematical Algorithms
 * [Fibonacci](algorithms/math/fibonacci.py)
-* [Factorial](algorithms/math/factorial.py)
+* [Factorial](algorithms/math/factorial.py)
+
+#### String Based Algorithms
+* [Fizz Buzz](algorithms/string/fizz_buzz.py)

algorithms/string/fizz_buzz.py

@@ -0,0 +1,9 @@
+def fizz_buzz(n):
+    """
+    Return the numbers (1,n) but if the number is
+    divisible by 3 add "Fizz", if the number is
+    divisible by 5, add "Buzz", if it is 
+    divisible by both, add "FizzBuzz"
+
+    """
+    return [("Fizz" if x % 3 == 0 else "") + ("Buzz" if x % 5 == 0 else "") or str(x) for x in range(1,n+1)]

tests/test_fizz_buzz.py

@@ -0,0 +1,7 @@
+import unittest
+from algorithms.string.fizz_buzz import fizz_buzz
+
+class TestFizzBuzz(unittest.TestCase):
+
+    def test_fizz_buzz(self):
+        self.assertEqual(['1', '2', 'Fizz', '4', 'Buzz', 'Fizz', '7', '8', 'Fizz', 'Buzz', '11', 'Fizz', '13', '14', 'FizzBuzz', '16', '17', 'Fizz', '19', 'Buzz', 'Fizz', '22', '23', 'Fizz', 'Buzz', '26', 'Fizz', '28', '29', 'FizzBuzz', '31', '32', 'Fizz', '34', 'Buzz', 'Fizz', '37', '38', 'Fizz', 'Buzz', '41', 'Fizz', '43', '44', 'FizzBuzz', '46', '47', 'Fizz', '49', 'Buzz', 'Fizz', '52', '53', 'Fizz', 'Buzz', '56', 'Fizz', '58', '59', 'FizzBuzz', '61', '62', 'Fizz', '64', 'Buzz', 'Fizz', '67', '68', 'Fizz', 'Buzz', '71', 'Fizz', '73', '74', 'FizzBuzz', '76', '77', 'Fizz', '79', 'Buzz', 'Fizz', '82', '83', 'Fizz', 'Buzz', '86', 'Fizz', '88', '89', 'FizzBuzz', '91', '92', 'Fizz', '94', 'Buzz', 'Fizz', '97', '98', 'Fizz', 'Buzz'], fizz_buzz(100))