def a1():
   if a:
       return 22
   else:
       return 10
   print "abc"


def a2():
   if a:
       return 22
   else:
       return 10
   return None


def a3():
   """docstring"""
   if a:
       return 22
   else:
       return 10
   5

def a4():
   """docstring"""
   a = 1
   raise "Error", 1
   b = 2

def a5():
   """docstring"""
   a = 1
   return "foo"
   b = 2


#print a()