#这段代码输入以下值会报错，输入其他值都不报错，一直查不出为什么，请大神们帮忙看下，谢谢。# 5# Prashant# 52.22# Kush# 52.223# Kant# 52.222# Kanti# 52.2222# Harshit# 52.22222M = []for _ in range(int(raw_input())):    name = raw_input()    score = float(raw_input())    L = []    L.append(name)    L.append(score)    M.append(L)if len(M) < 2:    print '2 names must be given at least.'if len(M) > 5:    print 'The number of names can not exceed 5'N = []for x in M:    for y in M:        if x[1] > y[1] and x not in N:            N.append(x)for sec in N:    for bigger in N:        if sec[1] < bigger[1]:            N.remove(bigger)        if sec[1] > bigger[1]:            N.remove(sec)N.sort()for result in N:    print result[0]