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This article mainly introduces the python how to achieve the member management system related knowledge, the content is detailed and easy to understand, the operation is simple and fast, has a certain reference value, I believe that everyone after reading this python how to achieve the member management system article will have a harvest, let's take a look at it.

The details are as follows:

Backstage administrator foreground member information system 1. The background administrator has only one user: admin password: admin2. When the administrator has successfully logged in, you can manage the front desk member information 3. When member information management includes: add member information delete member information view member information exit add user: 1) judge whether the user exists 2) if it exists, report an error 3) if it does not exist, add a user name and password to the list to delete the user: 1) determine whether the user exists 2) if it does not exist, delete 3) if it does not exist Error "" print ('administrator's login interface' .center (50 root','frost' login')) # effect is 25 left and right 25 each * surround the management login-free interface in the middle # initialize membership information users = ['root','frost'] passwd = [' 123' '000'] # receive login information User = input ("Please enter login name:") Passwd = input ("Please enter password:") if User = 'admin': if Passwd = =' admin': print ("login successful!") While True: # use while True loop statement: the core idea of using this statement is that if there is an error, you can continue to loop print ("operation directory: 1. Add member information 2. Delete member information 3. View member information 4. Exit "") option = input ("Please enter your Operand number") if option = "1": print ("* add member information *") adduser = input ("user name:") addpasswd = input ("password:") If adduser in users: print ("add failed User name exists! ") Else: users.append (adduser) # .append () adds a new object passwd.append (addpasswd) print ('added successfully!') to the end of the list Elif option = '2delete: print ("* delete member information *") deluser = input ("member name:") if deluser not in users: print ("deletion failed, the user% s information does not exist!" % (deluser)) else: # find the index value corresponding to the user to be deleted delindex = users.index (deluser) users.remove (deluser) # .remove () is the first match passwd.pop (delindex) # .pop () used to remove a value from the list ) function to remove an element print from the list ("deleted successfully!") Elif option = '3users: print ("* View member information *") # Statistics the length of the users list, that is, the number of users in the table count = len (users) for i in range (0 Count): print ("user name:% s password:% s"% (users [I], passwd [I]) elif option = = '4commands: exit () else: print ("Please enter the correct instruction!") Else: print ("% s login failed: wrong password!" % (User)) else: print ("% s user does not exist!" % (User))

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