Q Write an address book program in python by using TKInter. Please download TKInterAddressBook.txt program. There are two task in this assignment.

$1.$ Add entry fields for City, State and Zip in the above Address Book program.

$2.$ Add logic for the Previous and Last button. When user click Previous button the program should display previous record and when click on Last button it should display last record. here the addressbook import pickle

import os$.$path

from tkinter import $*$ # Import tkinter

import tkinter.messagebox

class Address:

def $\_\_$init$\_\_($self$,$ name, street$)$:

self.name $=$ name

self.street $=$ street

class AddressBook:

def $\_\_$init$\_\_($self$)$:

window $=$ Tk$()$ # Create a window

window.title$("$AddressBook$")$ # Set title

self.nameVar $=$ StringVar$()$

self.streetVar $=$ StringVar$()$

frame$1=$ Frame$($window$)$

frame$1.$pack$()$

Label$($frame$1,$ text$=$"Name"$).$grid$($row$=1,$

column$=1,$ sticky$=$W$)$

Entry$($frame$1,$ textvariable$=$self.nameVar,

width$=40).$grid$($row$=1,$ column$=2)$

frame$2=$ Frame$($window$)$

frame$2.$pack$()$

Label$($frame$2,$ text$=$"Address"$).$grid$($row$=1,$

column$=1,$ sticky$=$W$)$

Entry$($frame$2,$ textvariable$=$self.streetVar,

width$=40).$grid$($row$=1,$ column$=2)$

frame$4=$ Frame$($window$)$

frame$4.$pack$()$

Button$($frame$4,$ text$=$"Add",

command$=$self.processAdd$).$grid$($row$=1,$ column$=1)$

btFirst $=$ Button$($frame$4,$ text$=$"First",

command$=$self.processFirst$).$grid$($row$=1,$ column$=2)$

btNext $=$ Button$($frame$4,$ text$=$"Next",

command$=$self.processNext$).$grid$($row$=1,$ column$=3)$

btPrevious $=$ Button$($frame$4,$ text $=$ "Previous", command $=$

self.processPrevious$).$grid$($row $=1,$ column $=4)$

btLast $=$ Button$($frame$4,$ text $=$ "Last",

command $=$ self.processLast$).$grid$($row $=1,$ column $=5)$

self.addressList $=$ self.loadAddress$()$

self.current $=0$

if len$($self$.$addressList$)>0$:

self.setAddress$()$

window.mainloop$()$ # Create an event loop

def saveAddress$($self$)$:

outputFile $=$ open$("$address$1.$dat", $"$wb$")$

pickle.dump$($self$.$addressList, outputFile$)$

tkinter.messagebox.showinfo$($

"Address saved", "A new address is saved"$)$

outputFile.close$()$

def loadAddress$($self$)$:

if not os$.$path.isfile$("$address$1.$dat"$)$:

return $[]$ # Return an empty list

try:

inputFile $=$ open$("$address$1.$dat", $"$rb$")$

addressList $=$ pickle.load$($inputFile$)$

except EOFError:

addressList $=[]$

inputFile.close$()$

return addressList

def processAdd$($self$)$:

address $=$ Address$($self$.$nameVar.get$(),$

self.streetVar.get$()$

$)$

self.addressList.append$($address$)$

self.saveAddress$()$

def processFirst$($self$)$:

self.current $=0$

self.setAddress$()$

def processNext$($self$)$:

if self.current $<$ len$($self$.$addressList$)-1$:

self.current $+=1$

self.setAddress$()$

def processPrevious$($self$)$:

pass # Left as exercise

def processLast$($self$)$:

pass # Left as exercise

def setAddress$($self$)$:

self.nameVar.set$($self$.$addressList$[$self$.$current$].$name$)$

self.streetVar.set$($self$.$addressList$[$self$.$current$].$street$)$

AddressBook$()$ # Create GUI