collecting candies codevita solution in python

1T =  int(input())
2arr1 = []
3for i in range(0, T):
4    N = int(input())
5    arr = list(map(int,input().split()))
6    arr.sort()
7    count = arr[0]
8    for i in range(1, len(arr)):
9        count = count + arr[i]
10        arr1.append(count)
11print(sum(arr1))