4 files changed, 12 insertions, 11 deletions
diff --git a/testing_and_debugging/gcd.py b/testing_and_debugging/gcd.py
index b8d1296..5bc9110 100644
--- a/testing_and_debugging/gcd.py
+++ b/testing_and_debugging/gcd.py
@@ -1,10 +1,11 @@
 def gcd(a, b):
-    if b == 0:
-        return a
+    if a%b==0:
+       return a
     return gcd(b, a%b)
 
-if __name__ == '__main__':
-    result = gcd(48, 64)
-        if result != 16:
-            print "Test failed"
-        print "Test Passed"
+#if __name__ == '__main__':
+#     result = gcd(48, 64)
+#     if result != 16:
+#         print "Test failed"
+#     print "Test Passed"
+
diff --git a/testing_and_debugging/script.rst b/testing_and_debugging/script.rst
index 7a18df9..56b2b8f 100644
--- a/testing_and_debugging/script.rst
+++ b/testing_and_debugging/script.rst
@@ -70,7 +70,7 @@ Open an editor and type the code shown on the slide and save it as gcd.py
 {{{ Show slide, gcd function }}}
 
 def gcd(a, b):
-    if b == 0:
+    if a % b == 0:
        return a
     return gcd(b, a%b)
 
@@ -101,7 +101,7 @@ test case we know that the GCD is 16. So that is the expected output.
 {{{ Show slide,Test for gcd.py }}}
 
     def gcd(a, b):
-        if b == 0:
+        if a % b == 0:
             return a
         return gcd(b, a%b)
   
diff --git a/testing_and_debugging/slides.org b/testing_and_debugging/slides.org
index cb5f7ff..377d689 100644
--- a/testing_and_debugging/slides.org
+++ b/testing_and_debugging/slides.org
@@ -73,7 +73,7 @@ Spoken tutorial on -
   - Edit gcd.py file
 #+begin_src python 
   def gcd(a, b):
-      if b == 0:
+      if a % b == 0:
           return a
       return gcd(b, a%b)
   
diff --git a/testing_and_debugging/slides.tex b/testing_and_debugging/slides.tex
index baa0811..6be2cde 100644
--- a/testing_and_debugging/slides.tex
+++ b/testing_and_debugging/slides.tex
@@ -110,7 +110,7 @@ def gcd(a, b):
 \lstset{language=Python}
 \begin{lstlisting}
 def gcd(a, b):
-    if b == 0:
+    if a % b == 0:
         return a
     return gcd(b, a%b)