[已解决]计算一组数的方差

傻眼貓咪

1. arr1 = list(map(int, input().split()))
   
2. avrg1 = sum(arr1) / len(arr1)
   
3. arr2 = [abs(num - avrg1)**2 for num in arr1]
   
4. avrg2 = sum(arr2) / len(arr2)
   
5. print(avrg2)

复制代码