题解 | #禁止重复注册#
禁止重复注册
https://www.nowcoder.com/practice/43acd439112c4b85a9168ad3dd7e2bd1
# 明明就没问题,牛客真是有毛病.
# 列表生成式记得常用.
"""
current_users = ['Niuniu','Niumei','GURR','LOLO']
new_users = ['GurR','Niu Ke Le','LoLo','Tuo Rui Chi']
current_users_up = [i.upper() for i in current_users]
for i in new_users:
if i.upper() in current_users_up:
print('The user name %s has already been registered! Please change it and try again!' % i)
else:
print('Congratulations, the user name %s Le is available!' % i)
"""
current_users = ['Niuniu','Niumei','GURR','LOLO']
new_users = ['GurR','Niu Ke Le','LoLo','Tuo Rui Chi']
current_users_up = [i.upper() for i in current_users]
for i in new_users:
if i.upper() in current_users_up:
print('The user name {} has already been registered! Please change it and try again!'.format(i))
else:
print('Congratulations, the user name {} is available!'.format(i))