logInSystemPython

from tkinter import *
#from PIL import ImageTk
from tkinter import messagebox

class Login:
    def __init__(self, root):
        self.root = root
        self.root.title("AVA Log In System")
        self.root.geometry("500x500+100+50")
        self.root.resizable(False, False)

        #self.bg = ImageTk.PhotoImage(file="image/AVA.jpg")
        #self.bg_image = Label(self.root, image=self.bg).place(x=0, y=0, relwidth=1, relheight=1)

        Frame_login = Frame(self.root, bg="white")
        Frame_login.place(x=125, y=100, width=250, height=245)

        title = Label(Frame_login, text="Please Log In", font=("Times New Roman", 20, "bold"), fg="gold", bg="white").place(x=43, y=8)
        subtitle = Label(Frame_login, text="Members Login Area", font=("Cambria", 10, "bold"), fg="black", bg="white").place(x=60, y=50)

        lbl_user = Label(Frame_login, text="Username", font=("Cambria", 10, "bold"), fg="gray", bg="white").place(x=90, y=80)
        self.username = Entry(Frame_login, font=("Cambria", 10), bg="#E7E6E6")
        self.username.place(x=60, y=100, width=130, height=20)

        lbl_password = Label(Frame_login, text="Password", font=("Cambria", 10, "bold"), fg="gray", bg="white").place(x=92, y=120)
        self.password = Entry(Frame_login, font=("Cambria", 10), bg="#E7E6E6")
        self.password.place(x=60, y=140, width=130, height=20)

        login = Button(Frame_login, command=self.check_function, cursor="hand2", text="Log In", bd=0, font=("Cambria", 10), fg="black", bg="gold").place(x=102, y=175)
        forget = Button(Frame_login, text="Forgot Password", bd=0, cursor="hand2", font=("Cambria", 10), fg="gray", bg="white").place(x=75, y=207)

    def check_function(self):
        if self.username.get() == "" or self.password.get() == "":
            messagebox.showerror("Error", "Please complete your details", parent=self.root)
        elif self.username.get() != "Nina" or self.password.get() != "1234567":
            messagebox.showerror("Error", "Invalid Username or Password", parent=self.root)
        else:
            messagebox.showinfo("Welcome to AVA Property and Marketing Services", f"Welcome {self.username.get()}")

root = Tk()
obj = Login(root)
root.mainloop()