40 lines
678 B
Python
40 lines
678 B
Python
d = {1: 2}
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for m in d.items, d.values, d.keys:
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print(m())
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print(list(m()))
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# print a view with more than one item
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print({1:1, 2:1}.values())
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# unsupported binary op on a dict values view
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try:
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{1:1}.values() + 1
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except TypeError:
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print('TypeError')
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# unsupported binary op on a dict keys view
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try:
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{1:1}.keys() + 1
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except TypeError:
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print('TypeError')
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# keys dict_view is not hashable
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try:
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hash({}.keys())
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except TypeError:
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print('TypeError')
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# values dict_view is hashable
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print(type(hash({}.values())))
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# items dict_view is not hashable
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try:
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hash({}.items())
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except TypeError:
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print('TypeError')
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# set operations still to come
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