def difflist(list1, list2):
 diff = []
 for x in list2:
  if (x not in list1):
   diff.append(x)
 return diff

def difflist ( list1 , list2 ) : diff = [ ] for x in list2 : if ( x not in list1 ) : diff . append ( x ) return diff
returns items in list2 that are not in list1 .