1 ''' 2 Sorts are guaranteed to be stable. 3 That means that when multiple records have the same key, 4 their original order is preserved. 5 所以，按相同分数排列自然先录入的参数先排在前，不需要做特殊处理 6 ''' 7 import sys 8 a=[] 9 for line in sys.stdin: 10 a.append(line.strip().split()) 11 if line=='\n': 12 break 13 b=a[2:] 14 if a[1][0]=='0': 15 highfirst=True 16 else: 17 highfirst=False 18 b=sorted(b, key= lambda x: int(x[1]), reverse=highfirst) 19 for i in b: 20 print(" ".join(i)) 21 ''' 22 排序要用int排序， 23 否则出错，如下面例子 24 a=['3','0',['kfgse', '42'], 25 ['vkg', '3'], 26 ['oeipw', '26'], 27 ['os', '25']] 28 '''