科大讯飞 编程题：选课,再次刷新了笔试题难度……
只能AC 30%，没提示时间超限，找不到哪里有问题………………
class course(object):
def __init__(self, time, name):
self.time = time
self.name = name
def insert(l, cou):
if len(l) == 0:
l.append(cou)
else:
for i in range(len(l)):
if cou.time > l[i]:
continue
else:
l.insert(i, cou)
break
n = int(raw_input().split()[0])
cou_list = []
for i in range(n):
t = raw_input().split()
cou_list.append(course(int(t[0]), t[1]))
result_list = []
for i in range(len(cou_list)):
for j in range(i + 1, len(cou_list)):
if cou_list[i].time == cou_list[j].time:
cou_list[i].name = cou_list[i].name + ' ' + cou_list[j].name
insert(result_list, cou_list[i])
if result_list == []:
print('YES')
else:
for i in result_list:
print(str(i.time) + ' ' + i.name)
