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36 lines
646 B
Python
36 lines
646 B
Python
from __future__ import annotations
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from .abs import abs_val
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def abs_min(x: list[int]) -> int:
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"""
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>>> abs_min([0,5,1,11])
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0
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>>> abs_min([3,-10,-2])
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-2
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>>> abs_min([])
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Traceback (most recent call last):
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...
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ValueError: abs_min() arg is an empty sequence
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"""
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if len(x) == 0:
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raise ValueError("abs_min() arg is an empty sequence")
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j = x[0]
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for i in x:
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if abs_val(i) < abs_val(j):
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j = i
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return j
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def main():
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a = [-3, -1, 2, -11]
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print(abs_min(a)) # = -1
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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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main()
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