Is it possible to design using Python? Take a practical tour now

Yes, it is possible to design a login window using Python. The most common library for creating graphical user interfaces (GUIs) in Python is tkinter.

Here is an example of how you can create a login window using tkinter:

import tkinter as tk
from tkinter import messagebox

def register():
name = name_entry.get()
username = username_entry.get()
password = password_entry.get()

if name == “” or username == “” or password == “”:
messagebox.showerror(“Error”, “All fields are required”)
return

names.append(name)
usernames.append(username)
passwords.append(password)

name_entry.delete(0, tk.END)
username_entry.delete(0, tk.END)
password_entry.delete(0, tk.END)

def login():
username = username_entry.get()
password = password_entry.get()

if username in usernames and password in passwords:
messagebox.showinfo(“Success”, “Welcome”)
else:
messagebox.showerror(“Error”, “Incorrect username or password”)

username_entry.delete(0, tk.END)
password_entry.delete(0, tk.END)

names = [] usernames = [] passwords = []

app = tk.Tk()
app.title(“Login Window”)

name_label = tk.Label(app, text=”Name:”)
name_label.grid(row=0, column=0)

name_entry = tk.Entry(app)
name_entry.grid(row=0, column=1)

username_label = tk.Label(app, text=”Username:”)
username_label.grid(row=1, column=0)

username_entry = tk.Entry(app)
username_entry.grid(row=1, column=1)

password_label = tk.Label(app, text=”Password:”)
password_label.grid(row=2, column=0)

password_entry = tk.Entry(app, show=”*”)
password_entry.grid(row=2, column=1)

register_button = tk.Button(app, text=”Register”, command=register)
register_button.grid(row=3, column=0)

login_button = tk.Button(app, text=”Login”, command=login)
login_button.grid(row=3, column=1)

app.mainloop()

In this example, the register function is used to add a new user to the names, usernames, and passwords lists.

The login function is used to check if the entered username and password match any of the stored usernames and passwords.

If they do, a success message is displayed. If they don’t, an error message is displayed.

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