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- tup = ('Google', 'Runoob', 'Taobao', 'Wiki', 'Weibo','Weixin')
- a,b = 1,2
- assert a == 1
- assert b == 2
- a,b = b,a
- assert a == 2
- assert b == 1
- assert len(tup) == 6
- # empty tuple
- a = tuple([])
- assert len(a) == 0
- assert (1,) == tuple([1])
- assert (1,2,) == tuple([1,2])
- a = 1,
- assert a == (1,)
- l = (1,2,3,4)
- assert l[2] == 3
- assert l[-1] == 4
- assert l[:32] == (1,2,3,4)
- assert l[32:] == tuple([])
- assert l[1:4] == (2,3,4)
- assert l[-1:-3] == tuple([])
- assert l[-3:-1] == (2,3)
- # test repr
- assert repr((1,)) == '(1,)'
- assert repr((1,2,)) == '(1, 2)'
- assert repr((1,2,(3,4))) == '(1, 2, (3, 4))'
- assert repr(tuple()) == '()'
- # test in and not in
- assert 1 in (1, 2, 3)
- assert 4 not in (1, 2, 3)
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