diff --git a/FizzBuzz.py b/FizzBuzz.py
new file mode 100644
index 0000000..4c0c5da
--- /dev/null
+++ b/FizzBuzz.py
@@ -0,0 +1,8 @@
+def transform(num):
+    if num % 3 == 0 and num % 5 == 0:
+        return "FizzBuzz"
+    elif num % 3 == 0:
+        return "Fizz"
+    elif num % 5 == 0:
+        return "Buzz"
+    return str(num)
diff --git a/TestFizzBuzz.py b/TestFizzBuzz.py
new file mode 100644
index 0000000..5b766e4
--- /dev/null
+++ b/TestFizzBuzz.py
@@ -0,0 +1,16 @@
+import unittest
+from FizzBuzz import transform
+
+
+class TestFizzBuzz(unittest.TestCase):
+    def test_input_normal(self):
+        self.assertEqual(transform(1), "1")
+
+    def test_input_times_3(self):
+        self.assertEqual(transform(3), "Fizz")
+
+    def test_input_times_5(self):
+        self.assertEqual(transform(5), "Buzz")
+
+    def test_input_times_3_and_times_5(self):
+        self.assertEqual(transform(15), "FizzBuzz")