题解 | 多组_一维数组_T组形式

import sys

t = int(sys.stdin.readline().strip())
for _ in range(t):
    n = int(sys.stdin.readline().strip())
    nums = map(int, sys.stdin.readline().strip().split())
    print(sum(nums))

import sys

lines = [line.strip() for line in sys.stdin.readlines() if line.strip()]
ptr = 0
t = int(lines[ptr])
ptr += 1
for _ in range(t):
    n = int(lines[ptr])
    ptr += 1
    nums = map(int, lines[ptr].split())
    ptr += 1
    print(sum(nums))