Fixed the mod function implementation

wy12345 · wy12345 · commit 2de392c44046 · 2016-09-28T12:51:53.000-07:00
diff --git a/calc/__init__.py b/calc/__init__.py
@@ -14,8 +14,9 @@ def mul(a, b):
     return b
 
 def mod(a, b):
-    res = a % b
-    return -1
+	"""Return the mod of 2 integers"""
+	
+    return a % b
 
 def pow(a, b):
     return a*b
