题解 | #成绩排序#python

import functools
def compare(a, b):
    if a[1] > b[1]:
        return 1
    elif a[1] < b[1]:
        return -1
    else:
        if a[0] > b[0]:
            return 1
        elif a[0] < b[0]:
            return -1
        else:
            return 0

n = int(input())
alist = []
while n:
    number, grade = input().split()
    alist.append((int(number), int(grade)))
    n -= 1
alist.sort(key=functools.cmp_to_key(compare))
for item in alist:
    print(item[0], item[1])