# Divide Function

def div(x,y):
    print "DummyCal: ", x, " / ", y 
    if y == 0 :
        print "DummyCal: ZeroDivisionError, y cannot be 0"
        return None
    else:
        return x/y


@@ -98,50 +98,39 @@
 nt %22
-DummyCal: ZeroDivisionError, y
+Error: denominator
  can
+ 
 not be 0
 %22%0A  
@@ -125,16 +125,21 @@
 not be 0
+!!!%5Cn
 %22%0A      
@@ -151,12 +151,11 @@
 urn 
-None
+%220%22
 %0A   
@@ -179,10 +179,8 @@
 turn x/y
-%0A%0A

modify div.py