题解 | #禁止重复注册#
禁止重复注册
https://www.nowcoder.com/practice/43acd439112c4b85a9168ad3dd7e2bd1
current_users=['Niuniu','Niumei','GurR','LOLO']
new_users=['GurR','Niu Ke Le','LoLo','Tuo Rui Chi']
me=False
for i in new_users:
for j in current_users:
if i.lower()==j.lower():
me=True
break
else:
me=False
continue
if me:
print(f'The user name {i} has already been registered! Please change it and try again!')
else:
print('Congratulations, the user name {} is available!'.format(i))
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