Python:實現最大abs 絕對值算法(附完整源碼)

Python:實現最大abs 絕對值算法

from __future__ import annotations
def abs_max(x: list[int]) -> int:
if len(x) == 0:
raise ValueError("abs_max() arg is an empty sequence")
j = x[0]
for i in x:
if abs(i) > abs(j):
j = i
return j
def abs_max_sort(x: list[int]) -> int:
if len(x) == 0:
raise ValueError("abs_max_sort() arg is an empty sequence")
return sorted(x, key=abs)[-1]
def main():
a = [1, 2, -11]
assert abs_max(a) == -11
assert abs_max_sort(a) == -11
if __name__ == "__main__":
import doctest
doctest.testmod(verbose=True)
main()