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45 lines
723 B
45 lines
723 B
4 years ago
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# test the builtin reverse() function
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try:
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reversed
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except:
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print("SKIP")
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raise SystemExit
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# list
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print(list(reversed([])))
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print(list(reversed([1])))
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print(list(reversed([1, 2, 3])))
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# tuple
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print(list(reversed(())))
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print(list(reversed((1, 2, 3))))
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# string
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for c in reversed('ab'):
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print(c)
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# bytes
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for b in reversed(b'1234'):
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print(b)
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# range
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for i in reversed(range(3)):
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print(i)
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# user object
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class A:
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def __init__(self):
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pass
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def __len__(self):
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return 3
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def __getitem__(self, pos):
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return pos + 1
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for a in reversed(A()):
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print(a)
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# user object with __reversed__
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class B:
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def __reversed__(self):
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return [1, 2, 3]
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print(reversed(B()))
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