$\ \ \ \ \ \ \$蚌埠住了，凭什么我的Python过不去。

n = int(input())
students = []
ans = 0
for _ in range(n):
    lst = list(map(int, input().split( )))
    students.append(lst)
for i in range(n - 1):
    for j in range(i + 1, n):
        if (-5 <= students[i][0] - students[j][0] <= 5) and (-5 <= students[i][1] - students[j][1] <= 5) and (-5 <= students[i][2] - students[j][2] <= 5) and (sum(students[j]) - sum(students[i]) <= 10):
            ans += 1
print(ans)

$\ \ \ \ \ \ \$但是C++的过了。麻。

#include<cstdio>
#include<cmath>

const int MAXN = 1010;

struct Stu{
	int chinese, math, english;
}students[MAXN];

int main(){
	int n, ans;
	scanf("%d", &n);
	for(int i = 1; i <= n; i++){
		scanf("%d %d %d", &students[i].chinese, &students[i].math, &students[i].english);
	}
	for(int i = 1; i <= n; i++){
		for(int j = i + 1; j <= n; j++){
			if((abs(students[i].chinese - students[j].chinese) <= 5) && (abs(students[i].math - students[j].math) <= 5) && (abs(students[i].english - students[j].english) <= 5) && (abs(students[i].chinese - students[j].chinese + students[i].math - students[j].math + students[i].english - students[j].english) <= 10)){
                ans ++;
            }
		}
	}
    printf("%d", ans);
	return 0;
}