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26 lines
475 B
Python
26 lines
475 B
Python
# test reduce
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from functools import reduce, partial
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# test reduce
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assert reduce(lambda x, y: x + y, [1, 2, 3, 4, 5]) == 15
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assert reduce(lambda x, y: x * y, [1, 2, 3, 4, 5]) == 120
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assert reduce(lambda x, y: x * y, [1, 2, 3, 4, 5], 10) == 1200
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# test partial
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def add(a, b):
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return a + b
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add_1 = partial(add, 1)
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assert add_1(2) == 3
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assert add_1(3) == 4
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def sub(a, b=1):
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return a - b
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sub_10 = partial(sub, b=10)
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assert sub_10(20) == 10
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assert sub_10(30) == 20
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