32 lines
652 B
Python
32 lines
652 B
Python
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"""
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Some useful functions that should be mentioned
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Most are used on lists
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"""
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# zip
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for a, b in zip([1, 2, 3, 4], [3, 2, 1]):
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print("Found {} and {}, added it is {}.".format(a, b, a+b))
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# map
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print()
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mapped = map(lambda x: 2 * x, [1, 2, 0])
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print(mapped)
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print(list(mapped))
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print()
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mapped = map(lambda a, b: a - b, [5, 3, 0], [2, 3, -5, 8])
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print(mapped)
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print(list(mapped))
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# filter
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print()
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filtered = filter(lambda x: x == 3 or x is not None and x % 3 == 1, [3, 4, None, 11, 12, 13])
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print(filtered)
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print(list(filtered))
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# div. normal utils
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print()
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print(len([1, 2, 3]))
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print(max([1, 2, 3]))
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print(min([1, 2, 3]))
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print(sorted([1, 3, 2]))
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