Create Password for Executing your GUI

 Just changer your username and password in code and run

import os
import time
from tkinter import *
from PIL import ImageTk,Image
def project():
 #password on runing gui code
 def main():
    while True:

        UserName = input ("Enter Username: ")
        PassWord = input ("Enter Password: ")

        if UserName == 'fahadalikhan' and PassWord == '0309':
            time.sleep(1)
            print ("Login successful!")
            logged()


        else:
            print ("Password did not match!")

 def logged():
    time.sleep(1)
    print ("Beardo_SuperCode()")

    def project_1():
        root = Tk()
        app_width = 600
        app_height = 600
        scr_width = root.winfo_screenwidth()
        scr_height = root.winfo_screenheight()
        xcord = (scr_width / 2) - (app_width / 2)
        ycord = (scr_height / 2) - (app_height / 2)
        root.geometry("%dx%d+%d+%d" % (app_width, app_height, xcord, ycord))
        root.configure(background="#979069")

        def close_app():
            root2.destroy()
            bt["state"] = ["normal"]

        def c_t(e):
            if v_1.get() == "user id":
                v_1.delete(0, END)

        def c_t_2(e1):

            if v_2.get() == "password":
                v_2.delete(0, END)
                v_2.config(show="*")

        def n_w():
            global v_1, v_2
            global root2
            bt['state'] = ['disable']
            root2 = Toplevel(root)
            root2.protocol("WM_DELETE_WINDOW", close_app)
            app_width = 600
            app_height = 400
            scr_width = root2.winfo_screenwidth()
            scr_height = root2.winfo_screenheight()
            xcord = (scr_width / 2) - (app_width / 2)
            ycord = (scr_height / 2) - (app_height / 2)
            root2.geometry("%dx%d+%d+%d" % (app_width, app_height, xcord, ycord))
            root2.title("General Store")
            root2.iconbitmap("E:\\python projects\\shops_awP_icon.ico")
            back_image = Image.open("C:\\Users\\Fahad Ali Khan\\Desktop\\a.jpg")
            set_image = ImageTk.PhotoImage(back_image)
            l1 = Label(root2, image=set_image).place(x=0, y=0, relwidth=1, relheight=1)
            welcome_note_2 = Label(root2, text="Login", bg="#1c1750", fg="#18705e", bd=6, width=100, relief=RAISED,
                                   font="Helvetica 12 bold", justify=CENTER)
            welcome_note_2.pack(fill="y")
            u_n = StringVar()
            u_n.set("user id")
            pas = StringVar()
            pas.set("password")
            v_1 = Entry(root2, textvariable=u_n, bg="#1c1750", fg="#98bcc2", bd=6, width=20, relief=RAISED,
                        font="Helvetica 12 bold", justify=CENTER)
            # v_1.bind("<Button-1>",c_t)
            v_1.bind("<FocusIn>", c_t)
            v_1.place(x=200, y=100)
            v_2 = Entry(root2, textvariable=pas, bg="#1c1750", fg="#98bcc2", bd=6, width=20, relief=RAISED,
                        font="Helvetica 12 bold", justify=CENTER)
            # v_2.bind("<Button-1>", c_t)
            v_2.bind("<FocusIn>", c_t_2)
            v_2.place(x=200, y=150)

            # writing function to show or hide password
            # important
            def show_pass():

                if v_2.cget("show") == "":
                    v_2.config(show='*')
                    pass_show.config(text='Show Password')
                else:
                    v_2.config(show='')
                    pass_show.config(text='Hide Password')

            pass_show = Button(root2, text="Show Password", command=show_pass, bg="#1c1750", fg="#98bcc2", bd=0,
                               relief=RAISED,
                               justify=CENTER)
            # login button

            l_btn = Button(root2, text="Login", bg="#1c1750", fg="#98bcc2", bd=6, width=20, relief=RAISED,
                           font="Helvetica 12 bold", justify=CENTER)
            l_btn.pack(pady=170)
            pass_show.place(x=395, y=155)
            root2.maxsize(600, 400)
            root2.minsize(600, 400)
            root2.mainloop()

        root.title("Shop Manager")
        root.iconbitmap("E:\\python projects\\shops_awP_icon.ico")
        welcome_note = Label(root, text="Welcome To The Shop Manager", bg="#a2812a", bd=6, width=100, relief=RAISED,
                             font="Helvetica 12 bold", justify=CENTER).pack()
        bt = Button(root, text="Log In", command=n_w, bg="#a2812a", bd=6, width=10, relief=RIDGE,
                    font="Helvetica 12 bold",
                    justify=CENTER)
        bt.pack(pady=3)
        bt2 = Button(root, text="Exit", command=root.destroy, bg="#a2812a", bd=6, width=10, relief=RIDGE,
                     font="Helvetica 12 bold", justify=CENTER)
        bt2.pack(side=BOTTOM, pady=3)


        root.mainloop()

    project_1()
 main()
project()