fixed ex_36

ex_36.py

@@ -1,4 +1,21 @@
+import sys
 
 def check_range(f):
-	def wrapper(**kwargs):
-		for k,v in 
+	if sys.version_info.major < 3 or sys.version_info.minor < 6:
+		raise RuntimeError("check_range requires python >= 3.6")
+	def wrapper(*args, **kwargs):
+		total_args = list(args) + list(kwargs.values())
+		for argv, (argname, argrange) in zip(total_args, f.__annotations__.items()):
+			if(argv < argrange[0] or argv > argrange[1]):
+				raise ValueError("Argument {} ({}) out or range {}".format(argname, argv, argrange))
+		return f(*args, **kwargs)
+	return wrapper
+
+@check_range
+def f(a: (0, 100), b: (100, 300)):
+	return a + b
+
+if( __name__ == "__main__"):
+	f(1, 101)
+	f(-2, 400)
+