adding all files done so far

learning/decorators/test.py

@@ -0,0 +1,13 @@
+import sys
+import os
+sys.path.append(os.getcwd())    # noqa E402
+import decorator
+import functools
+
+
+@functools.lru_cache(maxsize=4)
+@decorator.count_calls
+def fib(num):
+    if num < 2:
+        return num
+    return fib(num - 1) + fib(num - 2)