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32 lines
710 B
Python
32 lines
710 B
Python
from __future__ import annotations
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def find_max(nums: list[int | float]) -> int | float:
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"""
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>>> for nums in ([3, 2, 1], [-3, -2, -1], [3, -3, 0], [3.0, 3.1, 2.9]):
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... find_max(nums) == max(nums)
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True
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True
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True
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True
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>>> find_max([2, 4, 9, 7, 19, 94, 5])
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94
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>>> find_max([])
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Traceback (most recent call last):
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...
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ValueError: find_max() arg is an empty sequence
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"""
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if len(nums) == 0:
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raise ValueError("find_max() arg is an empty sequence")
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max_num = nums[0]
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for x in nums:
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if x > max_num:
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max_num = x
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return max_num
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if __name__ == "__main__":
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import doctest
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doctest.testmod(verbose=True)
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