Python:實現average mean平均數算法(附完整源碼)

Python:實現average mean平均數算法

from __future__ import annotations
def mean(nums: list) -> float:
""" >>> mean([3, 6, 9, 12, 15, 18, 21]) 12.0 >>> mean([5, 10, 15, 20, 25, 30, 35]) 20.0 >>> mean([1, 2, 3, 4, 5, 6, 7, 8]) 4.5 >>> mean([]) Traceback (most recent call last): ... ValueError: List is empty """
if not nums:
raise ValueError("List is empty")
return sum(nums) / len(nums)
if __name__ == "__main__":
import doctest
doctest.testmod()