[Shubham] Add: Provides a update option to user.

Author: CodeWizard786-shubham

main.py

@@ -1,9 +1,9 @@
 '''
 @Author: shubham shirke
-@Date: 2021-02-13 12:30:30
+@Date: 2023-06-12 10:30:30
 @Last Modified by: shubham shirke
-@Last Modified time: 2021-02-11 2:50:30
-@Title : To add a contact in address book.
+@Last Modified time: 2022-06-12 4:30:30
+@Title : To update existing contact in address book.
 '''
 from AddressBook_Service import *
 
@@ -14,14 +14,19 @@ def main():
  print("--Address Book System--")
  print("-----------------------")
  print("1.Add contact")
- print("2.Print Contact")
- print("3.Exit")
+ print("2.Update Contact")
+ print("3.Print Contact")
+ print("4.Exit")
  print("-----------------------")
  choice = int(input("Enter choice: ")) 
  if choice == 1:
  address_book.add_contact()
 
  elif choice == 2:
+ first_name = input("Enter first name to update: ")
+ address_book.update_contact(first_name)
+
+ elif choice == 3:
  address_book.display_contact()
 
  elif choice == 3: