diff --git a/challenge.py b/challenge.py
index 2653d7e..75a8305 100644
--- a/challenge.py
+++ b/challenge.py
@@ -3,7 +3,11 @@ def make_division_by(n):
        of an x number by n 
     """
     # You have to code here!
-    pass
+    def division_number(x):
+        assert type(x) == int,'Solo Puedes enviar numeros'
+        assert n > 0, 'El divisor no puede ser 0'
+        return x/n
+    return division_number
 
 
 def run():
@@ -22,7 +26,19 @@ def run():
 
     class ClosureSuite(unittest.TestCase):
         def test_closure_make_division_by(self):
-            # Make the closure test here
-            pass
-
+            self.num_division = {
+                40: [120,3],
+                15: [45,3],
+                35: [525,15]
+            }
+
+            def test_division_number_closures(self):
+                for key,value in self.num_division.items():
+                    division_by_number = make_division_by(value[1])
+                    self.assertEqual(key,division_by_number(value[0]))
+            
+            def tearDown(self):
+                    del(self.num_division)
+
+    #unittest.main()
     run()