008-contact_book.py

#!/usr/bin/env python3

#Contact book

#Step 1: Initialize an empty contact book
contacts = {}

#Step 2: Display the menu
def show_menu():
    print("\n---Contact book menu---")
    print("1. Add Contact")
    print("2. View Contacts")
    print("3. Search Contact")
    print("4. Edit Contact")
    print("5. Delete Contact")
    print("6. Exit Contact book")

#Step 3: Add a contact
def add_contact():
   name = input("Enter contact name: ")
   phone = input("Enter contact number: ") 
   email = input("Enter contact email: ")
   contacts[name] = {"phone": phone, "email": email}
   print(f'Contact {name} has been added to your contact book successfully!')

#Step 4: View contacts
def view_contact():
    if contacts:
        print("\n---Contact List---")
        for name, details in contacts.items():
            print(f'Name: {name}')
            print(f'Phone: {details["phone"]}')
            print(f'Email: {details["email"]}')
            print("\n")
    else:
        print(f'Your contact book is empty.')

#Step 5: Search a contact
def search_contact():
    name = input("Enter the name of the contact you want to search: ")
    if name in contacts:
        print(f"\n---Contact Details for {name}---")
        print(f'Name: {name}')
        print(f'Phone: {contacts[name]["phone"]}')
        print(f'Email: {contacts[name]["email"]}')
    else:
        print(f'Contact {name} not found in your contact book.')

#Step 6: Edit Contact
def edit_contact():
    name = input("Enter the name of the contact you want to edit: ")
    if name in contacts:
        print(f"\n---Edit Contact: {name}---")
        phone = input("Enter new phone number: ")
        email = input("Enter new email: ")
        contacts[name] = {"phone": phone, "email": email}
        print(f'Contact {name} has been updated successfully')
    else:
        print(f'Contact {name} not found in your contact book.')

#Step 7: Delete a contact   
def delete_contact():
    name = input("Enter the name of the contact you want to delete: ")
    if name in contacts:
        del contacts[name]
        print(f'Contact {name} has been deleted succefully!')
    else: 
        print(f'Contact {name} not found in your contact book!')

#Step 8: Main programme loop
while True:
    show_menu()
    choice = input("Enter your choice (1-6): ")

    if choice == "1":
        add_contact()
    elif choice == "2":
        view_contact()
    elif choice == "3":
        search_contact()
    elif choice == "4":
        edit_contact()
    elif choice == "5":
        delete_contact()
    elif choice == "6":
        print("Thank you for using the Contact Book, Goodbye!")
        break
    else:
        print("Invalid choice. Please select a valid option (1-6).")