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15 lines
322 B
Python
15 lines
322 B
Python
assert len(dict()) == 0
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assert len({}) == 0
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assert len({"a": "b"}) == 1
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assert len({"a": "b", "b": 1}) == 2
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assert len({"a": "b", "b": 1, "a" + "b": 2*2}) == 3
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d = {}
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d['a'] = d
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assert repr(d) == "{'a': {...}}"
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assert {'a': 123}.get('a') == 123
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assert {'a': 123}.get('b') == None
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assert {'a': 123}.get('b', 456) == 456
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