[英]How do I add a new username and password to a database list in Python?
我是Python的新手,我在下面做了此代碼。 這只是一個簡單的登錄代碼,使您可以注冊或登錄。
現在,我可以登錄了。 如您所見,我將用戶名和密碼放在變量database
。
在函數register()
我嘗試將newusername
和newpassword
以(用戶名,密碼)的形式添加到database
列表中,以便login()
函數可以看到它。
import time
import sys
import getpass
database = [
("Test1", "123"),
("Test2", "000")
]
def login():
time.sleep(1)
print("Welcome. Please login.")
while True:
time.sleep(1)
username = input("Username: ")
password = getpass.getpass("Password: ")
time.sleep(1)
if (username, password) in database:
print("Welcome, " + username)
main()
else:
print("User not found. Try again.")
def logout():
time.sleep(1)
print("Logout?")
lgout = input(">>")
if lgout == ("yes") or lgout == ("Yes") or lgout == ("YES"):
time.sleep(1)
print("Logout successful")
main2()
elif lgout == ("no") or lgout == ("No") or lgout == ("NO"):
print("Logout unsuccessful")
main()
else:
print("Command not valid")
def main():
time.sleep(1)
print("Current commands: Logout")
while True:
command = input(">>")
if command == ("Logout"):
logout()
else:
print("Command not valid")
def main2():
time.sleep(1)
print("Hello, would you like to login, register or exit?")
while True:
command2 = input(">>")
if command2 == ("Login") or command2 == ("login") or command2 == ("LOGIN"):
login()
elif command2 == ("Register") or command2 == ("register") or command2 == ("REGISTER"):
register()
elif command2 == ("Exit") or command2 == ("exit") or command2 == ("EXIT"):
sys.exit()
else:
print("Command not valid")
def register():
print("Register your information below")
newusername = input("Username: ")
newpassword = getpass.getpass("Password: ")
print("Success! Please login!")
login()
main2()
遺憾的是, database["newusername"] = newpassword
無效,因為它不是字典。
您在此處的“數據庫”是元組列表。
要將某些內容附加到列表的末尾,請使用.append()。 要構造元組,請使用包含用逗號分隔的值的括號。 將這兩個放在一起:
database.append( (newusername, newpassword) )
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.