kopia lustrzana https://github.com/micropython/micropython-lib
23 wiersze
911 B
Python
23 wiersze
911 B
Python
import itertools
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assert list(itertools.islice(list(range(10)), 4)) == [0, 1, 2, 3]
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assert list(itertools.islice(list(range(10)), 2, 6)) == [2, 3, 4, 5]
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assert list(itertools.islice(list(range(10)), 2, 6, 2)) == [2, 4]
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def g():
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while True:
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yield 123
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assert list(itertools.islice(g(), 5)) == [123, 123, 123, 123, 123]
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assert list(itertools.islice(itertools.cycle([1, 2, 3]), 10)) == [1, 2, 3, 1, 2, 3, 1, 2, 3, 1]
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assert list(itertools.islice(itertools.cycle(reversed([1, 2, 3])), 7)) == [3, 2, 1, 3, 2, 1, 3]
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assert list(itertools.starmap(lambda x, y: x * y, [[1, 2], [2, 3], [3, 4]])) == [2, 6, 12]
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assert list(itertools.accumulate([])) == []
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assert list(itertools.accumulate([0])) == [0]
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assert list(itertools.accumulate([0, 2, 3])) == [0, 2, 5]
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assert list(itertools.accumulate(reversed([0, 2, 3]))) == [3, 5, 5]
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assert list(itertools.accumulate([1, 2, 3], lambda x, y: x * y)) == [1, 2, 6]
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