This method is great for school tasks or simple offline projects.
When writing your script, it is best to load the file into a dictionary. This allows you to quickly check if a username exists and then verify the password. Download Loginnn txt
Open Notepad and type your list, then save as .txt . Mac: Use TextEdit (ensure it is in "Plain Text" mode). This method is great for school tasks or
def load_users(): users_dict = {} with open("user.txt", "r") as f: for line in f: # Splitting by comma-space ensures clean data user, passw = line.strip().split(", ") users_dict[user] = passw return users_dict users = load_users() username = input("Username: ") password = input("Password: ") if username in users: if users[username] == password: print("Login successful!") else: print("Incorrect password.") else: print("User not found.") Use code with caution. Copied to clipboard 3. Creating and Editing the File If you just need to create the .txt file itself: Open Notepad and type your list, then save as
To make the data readable for a program, use a consistent format for each line. A common method is using a comma to separate the username and password. admin, password123 user_one, securePass789 guest, guest2026 Use code with caution. Copied to clipboard 2. How to Read the File (Python Example)
