diff --git a/FizzBuzz.py b/FizzBuzz.py
index 00b6ebd..dc4b397 100644
--- a/FizzBuzz.py
+++ b/FizzBuzz.py
@@ -1,18 +1,21 @@
 """
 Q1. Why is the report method untestable ? [2 pts]
 
-
+External collaborator directly file pointer is given.instead wrapper func should be used - FileHandleWrapper or pass an arg as fileopener.
 
 
 Q2. How will you change the api of the report method to make it more testable ? [2 pts]
 
 
+as mentioned above.changes done in below code :
+
 
 """
 class FizzBuzz(object):
-    def report(self, numbers):
+    def report(self, numbers, FileOpener):
+        FileOpener.Open()
 
-        report_file = open('c:/temp/fizzbuzz_report.txt', 'w')
+        report_file = FileOpener('c:/temp/fizzbuzz_report.txt', 'w')
 
         for number in numbers:
             msg = str(number) + " "
diff --git a/TestFizzBuzzMocked.py b/TestFizzBuzzMocked.py
index 6f1d0d5..18c3cb2 100644
--- a/TestFizzBuzzMocked.py
+++ b/TestFizzBuzzMocked.py
@@ -17,24 +17,22 @@ def tearDown(self):
         self.fb = None
 
     def test_report(self):
-        pass
 
+        #mock the file handle  
+        MockInter = self.mock() 
+        MockFile = self.mock()       
+        self.expectAndReturn(MockInter.open('c:/temp/fizzbuzz_report.txt', 'w'), MockFile)   
+        MockFile.write("3 fizz \n")       
+        MockFile.close()       
 
+        #replay       
+        self.replay()   
 
+        #call API      
+        self.fb.report(numbers, FileOpener=MockInter.open)        
 
-
-
-
-
-
-
-
-
-
-
-
-        
-
+        # verify        
+        self.verify()
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/TestFizzBuzzStubbed.py b/TestFizzBuzzStubbed.py
index 78ee454..1fb4f28 100644
--- a/TestFizzBuzzStubbed.py
+++ b/TestFizzBuzzStubbed.py
@@ -4,7 +4,14 @@
 """
 Q3. What will be printed when we execute 'python FizzBuzzStubbed.py' ? [3 pts]
 
-
+#class setup - at start setUp
+Class FizzBuzzStubbed
+#test setup before each testsetup
+test_reportteardown
+#test setup before each test.setup
+test_reportteardown
+#class teardown - at end 
+.tearDownClass
 
 
 
@@ -17,16 +24,16 @@
 
 """
 class MyStub(object):
-    pass
-
-
-
-
-
+     def __init__(self):      
+         self.values = []          
 
+     def write(self, value):    
+         self.values.append(value)       
 
+     def close(self):       
+         self.closed = True 
 
-    
+ 
 class TestFizzBuzzStubbed(unittest.TestCase):
         
     @classmethod