3-16 function exercises

Modify Personal Information Programs:

Save more individual's personal information in a file, as follows:

username password age position department

alex         abc123     24    Engineer  IT

rain         df2@423   25    Teacher  Teching

……

1, enter the user name and password, log into the system correctly, print

1. Modify Personal Information

2. Print Personal information

3. Change Password

 

2, each option to write a method

3, the wrong three times to exit the program at login

def change_info(pinfolist):
    s = '1.年龄\n2.职务\n3.部门'
    while True:
        print(s)
        choice = int(input('choose please:'))
        if choice <= 3 and choice >=1 :
            new_info = input('new information:')
            pinfolist[choice + 1] = new_info
            save(pinfolist)
        else:
            break           
    
def print_info(pinfolist):
   for value in pinfolist:
       print(value,end=',')
   print('')
    
def change_pwd(pinfolist):
    new_pwd = input('new password:')
    pinfolist[1] = new_pwd
    save(pinfolist)


def save(pinfolist):
    file_data = ''
    new_str = ','.join(pinfolist)
    with open('人员信息.txt','r') as f:
        for line in f:
            if pinfolist[0] in line:
                line = new_str
            file_data += line
    with open('人员信息.txt','w') as f:
        f.write(file_data)

def user_register(name,pwd):
    f = open('人员信息.txt','r')
    while True:
        text_line = f.readline()
        if text_line:
           if text_line.find(name) != -1 and text_line.find(pwd) != -1:
              infolist = text_line.split(',')
              f.close()
              return infolist     
        else:
            break
    f.close()
    return None
    

count = 0   
while True:
    while count < 3:
        username_in = input("用户名：")
        userpwd_in = input("密码:" ) 
        Personal_info_list = user_register (username_in, userpwd_in)
         IF   personal_info_list == None: 
            COUNT + 1 =
             Print ( ' name or password error, the INPUT Again ..... ' )
             the Continue 
        the else :
             Print ( ' successful login ..... .... ' ) 
            s_choice = ' 1. modify personal information \ n2 print personal information \ n3 Change password \ n4 Log... ' 
            the while True:              
                 Print (s_choice) 
                USER_CHOICEInt = (INPUT ( ' the Choose you want: ' ))
                 IF USER_CHOICE ==. 1 : 
                    change_info (personal_info_list) 
                elif USER_CHOICE == 2 : 
                    print_info (personal_info_list) 
                elif USER_CHOICE ==. 3 : 
                    change_pwd (personal_info_list) 
                the else :
                     BREAK 
            BREAK        
    IF COUNT = 3 = :      
         Print ( ' has been entered incorrectly three times, Log ..... ' )
     BREAK