Insert,Delete and Update import tkinter as tk from tkinter import * import mysql.connector import datetime def IsValidDate(InputDate): day = InputDate[:2] month = InputDate[3:5] year = InputDate[6:] IsValid = True try : datetime.datetime(int(year),int(month),int(day)) except ValueError : IsValid = False return IsValid def FormatDBDate(InputDate): dt = InputDate[6:] + "-" + InputDate[3:5] + "-" + InputDate[:2] return dt def FormatEDDate(InputDate): dt = InputDate[8:] + "/" + InputDate[5:7] + "/" + InputDate[:4] return dt def DeleteEmployee(id, eid, ename, dob, doj, adr, cty, pcd, mob, eml, gen, dep): conn=mysql.connector.connect(user='root',password='harsha',host='localhost', datab...