Coding

from tkinter import * from PIL import ImageTk , Image from sqlite3 import * from tkinter import ttk from tkinter import messagebox import time # Save updated record def update_record ():     # Grab record number     selected = my_tree . focus ()     # Save new data         my_tree . item ( selected , text = "" , values =( upd_id , items_entry . get (), address_entry . get (), Email_entry . get (), Ph_No_entry . get (), Price_entry . get ()))     #update database     conn = connect ( 'database.db' )     c = conn . cursor ()     c . execute ( '''UPDATE CHECKOUT SET items=?, address=?, email=?, ph_No=?, price=? WHERE id=?''' ,               (( items_entry . get (), address_entry . get (), Email_entry . get (), Ph_No_entry . get (), Price_entry . get (), id ,)))         conn . commit ()     conn . close ()     ...

from tkinter import * from PIL import ImageTk , Image from sqlite3 import * from tkinter import ttk from tkinter import messagebox import time def create ():     global BILL_N , BILL_A , BILL_A_DUE , BILL_UNITS     conn = connect ( 'database.db' ) #     c = conn . cursor ()         # c.execute('''CREATE TABLE K_BILL (account_number integer PRIMARY KEY,     #  name text,     #  units integer,     #  amount_due integer,         #  amount integer)''')             # c.execute(''' INSERT INTO K_Bill VALUES (4902233658724, 'SAMIULLAH', 800 , 20267,800*13)''')     # c.execute(''' INSERT INTO K_Bill VALUES (3769186408275, 'Ali', 25000, 25267,436*13)''')     # c.execute(''' INSERT INTO K_Bill VALUES (9863867106183, 'Faez', 22000, 22567,658*13)''')     c . execute ( ''' UPDATE K_BILL set units=436 wh...