47 lines
850 B
Python
47 lines
850 B
Python
try:
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from collections import OrderedDict
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except ImportError:
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try:
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from ucollections import OrderedDict
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except ImportError:
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print("SKIP")
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raise SystemExit
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d = OrderedDict([(10, 20), ("b", 100), (1, 2)])
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print(len(d))
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print(list(d.keys()))
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print(list(d.values()))
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del d["b"]
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print(len(d))
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print(list(d.keys()))
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print(list(d.values()))
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# access remaining elements after deleting
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print(d[10], d[1])
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# add an element after deleting
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d["abc"] = 123
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print(len(d))
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print(list(d.keys()))
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print(list(d.values()))
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# pop an element
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print(d.popitem())
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print(len(d))
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print(list(d.keys()))
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print(list(d.values()))
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# add an element after popping
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d["xyz"] = 321
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print(len(d))
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print(list(d.keys()))
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print(list(d.values()))
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# pop until empty
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print(d.popitem())
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print(d.popitem())
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try:
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d.popitem()
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except:
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print('empty')
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