用書 PYTHON王者歸來 作者洪錦魁
accounts = [ ]
account = input(“Please input your account=”)
accounts.append(account)
print(“welcome”)
Userinput = input(“Please input your account=”)
if Userinput in accounts: print(“welcome”)
else: print(“error”)
執行結果
Python 串列 帳號管理系統