Python login and password

with open('file.txt', 'r') as base:
    data = base.readlines()
 
users = {}
for user in data:
    try:
        name = users.split()[0]
        password = users.split()[1]
        users[name] = [password]
    except:
        pass
 
logins = users.keys()
 
 
def get_data() -> tuple:
    global users
    while True:
        login = input("Enter login: ")
        passw = input("Enter password: ")
        if login not in logins:
            print("Success.")
            break
        else: print("There is a user with this username. Try again with other username.")
 
    return (login, passw)
 
 
def add_user():
    data: tuple = get_data()
    with open('file.txt', 'w') as base:
        base.write(data[0] + " " + data[1])
    
    
def main():
    while True:
        print("Write 1 for reg or 0 for exit")
        cmd = input()
        if cmd == '1':
            add_user()
        elif cmd == '0': break
        else: print("Wrong command")
 
 
if __name__ == "__main__":
    main()

with open('file.txt', 'r') as base:
    data = base.readlines()
 
users = {}
for user in data:
    name = user.split()[0]
    password = user.split()[1]
    users[name] = password
 
 
logins = users.keys()
 
 
def get_data() -> tuple:
    global users
    logins = users.keys()
    while True:
        login = input("Enter login: ")
        passw = input("Enter password: ")
        if login not in logins:
            print("Success.")
            users[login] = passw
            break
        else: print("There is a user with this username. Try again with other username.")
 
    return (login, passw)
 
 
def add_user():
    data: tuple = get_data()
    with open('file.txt', 'r+') as base:
        base.write(data[0] + " " + data[1] + '\n')
 
 
def main():
    while True:
        print("Write 1 for reg or 0 for exit")
        cmd = input()
        if cmd == '1':
            add_user()
        elif cmd == '0': break
        else: print("Wrong command")
 
 
if __name__ == "__main__":
    main()

import toml
 
settings = {
    'path': 'C:/Users/user',
    'theme': 'white',
    'sounds': True,
}
 
with open('settings.ini', 'w') as f:
    toml.dump(settings, f)
 
with open('settings.ini', 'r') as f:
    settings1 = toml.load(f)
 
print(settings1['path'])

#MAIN SHEET
 
from typing import Any
from module1 import*
import sys
import string
from re import*
from module1 import get_data
 
while True:
        print("Write 1 for reg, 2 for login, or 0 for exit")
        cmd = input()
        if cmd == '1':
            add_user=()
        elif cmd=='2':
            add_user=()
        elif cmd == '0': 
            sys.exit()
        else: print("Wrong command")
 
        while True:
                login = input("Enter login: ")
                passw = input("Enter password: ")
                if login not in logins and cmd=='1':
 
                    print("Success.")
                    break
                if login in logins and cmd=='2':
                    print('you logened')
                    
                    break
                if login not in logins and cmd=='2':
                    print('you ought to register for start')
                    break
                else: print("There is a user with this username. Try again with other username.")
                break

i
#MODULE
mport sys
 
with open('file.txt', 'r') as base:
    """w+ open a file for reading and saving smth
    """
    data = base.readlines()
    """ readlines () read each str of file 
    """
 
users = {}
"""users = {} list of users
"""
for user in data:
    """data from readlines() is being tied with name and password
    it lets us read each str which will
    be inputed by user: alphabet or digit
    """
    name = user.split()[1]
    """Thanking to readlines() [1] and [0]
        Can write on what line password and name
    """
    password = user.split()[0]
    users[name] = password
 
 
logins = users.keys()
 
 
def get_data(passw) -> tuple:
    """ tuple: also a list, but can consist different type
    of data listed by commas.
    """
    global users
    """function clobal is writed 1 time and has impact on all function
    in file
    """
    logins = users.keys()
 
    users[login] = passw
  
 
    return (login, passw)
 
 
def add_user(passw):
    data: tuple = get_data()
    with open('file.txt', 'r+') as base:
        base.write(data[0] + " " + data[1] + '\n')

import json
 
def save_to_file(users):
    with open('users.txt', 'w') as f:
        for user,password in users.items():
            f.write(f"{user} {password}\n")
 
def load_from_file():
    try:
        with open('users.txt', 'r') as f:
            data = f.read().split('\n')
            users={}
            for user in data:
                if user:
                    user,password=user.split()
                    users[user]=password
            return users
    except:
        return {}
 
users = load_from_file()
 
def login(username, password):
    if username in users:
        if users[username] == password:
            print("Success: You are logged in.")
            return True
        else:
            print("Error: Incorrect password.")
            return False
    else:
        print("Error: Incorrect username.")
        return False
 
def register_user(username, password):
    if username in users:
        print("Error: That username is already taken.")
        return
    else:
        users[username] = password
        print("Success: User registered.")
 
while True:
    command = input("Enter 1 to register, 2 to login, 0 to exit: ")
    if command == "1":
        username = input("Enter a username: ")
        password = input("Enter a password: ")
        register_user(username, password)
        save_to_file(users)
    elif command == "2":
        username = input("Enter your username: ")
        password = input("Enter your password: ")
        if login(username, password):
            break
    elif command == "0":
        save_to_file(users)
        break
    else:
        print("Invalid command.")