# before
(0, ) # not a simple expression!
# after
(1, 2, 3) # on-line
# after
1, 2, 3
a = ()
()
# tuple in call
print ((1), 2)
print ((1, 3), 2)
print 1, (3, 2)
print 1, 2
print (1), 2
print 1, 3, 2
print 1, (3, 2)
print (1,2,(3))

##r

# before
(0, ) # not a simple expression!
# after
(1, 2, 3) # on-line
# after
1, 2, 3
a = ()
()
# tuple in call
print ((1), 2)
print ((1, 3), 2)
print 1, (3, 2)
print 1, 2
print (1), 2
print 1, 3, 2
print 1, (3, 2)
print (1, 2, (3))