武林大会已报名的参赛人员资料如下[["张无忌",22,"乾坤大挪移"],["段誉",20,"凌波微步"],["令狐冲",25,"独孤九剑"]]
1.创建参赛人员资料列表
2.在列表的中间位置加入新选手杨过,年龄30,代表武功为黯然销魂掌
3.修改张无忌的招牌武功为九阳神功
4.查找参赛选手令狐冲是第几号
5.将新列表[["丁春秋",54,"化功大法"],["岳不群",55,"华山剑法"]]合并入原有列表
6.删除你最不喜欢的一个选手
7.输出当前所有选手的姓名
# ####1
users = [["张无忌", 22, "乾坤大挪移"], ["段誉", 20, "凌波微步"], ["令狐冲", 25, "独孤九剑"]]
print('开始时所有选手的名字:', ','.join([user[0] for user in users]))
# ####2
users.insert(len(users) // 2, ['杨过', 30, '黯然销魂掌'])
# ####3
for user in users:
if user[0] == '张无忌':
user[-1] = '九阳神功'
break
# ####4
for idx, user in enumerate(users):
if user[0] == '令狐冲':
print('参赛选手令狐冲是第%s号' % idx)
break
# ####5
new_users = [["丁春秋", 54, "化功大法"], ["岳不群", 55, "华山剑法"]]
users.extend(new_users)
# ####6
for user in users:
if user[0] == '丁春秋':
users.remove(user)
break
# ####7
print('所有选手的名字:', ','.join([user[0] for user in users]))
有帮助的话,请点采纳该答案~
lst = [["张无忌",22,"乾坤大挪移"],["段誉",20,"凌波微步"],["令狐冲",25,"独孤九剑"]]
lst.insert(len(lst) // 2,['杨过',30,'黯然销魂掌'])
lst = [p if p[0] != '张无忌' else [p[0],p[1],'九阳神功'] for p in lst]
idx = -1
for i in range(len(lst)):
if lst[i][0] == '令狐冲':
idx = i
break
print(idx)
lst += [["丁春秋",54,"化功大法"],["岳不群",55,"华山剑法"]]
for i in range(len(lst)):
if lst[i][0] == '段誉':
lst.pop(i)
break
print(*[p[0] for p in lst])
不知道你这个问题是否已经解决, 如果还没有解决的话:# 回文诗
num = eval(input("请输入一个数:"))
if num%2 != 0:
print("该数是奇数")
else:
if str(num) == (str(num))[::-1]:
print("该数为回文偶数")
else:
print("该数为非回文偶数")
print(str(num)[:-1])