|
| 1 | +import json |
| 2 | + |
| 3 | +# Function to load existing contacts from a file |
| 4 | +def load_contacts(): |
| 5 | + try: |
| 6 | + with open('contacts.json', 'r') as file: |
| 7 | + contacts = json.load(file) |
| 8 | + except FileNotFoundError: |
| 9 | + contacts = {} |
| 10 | + return contacts |
| 11 | + |
| 12 | +# Function to save contacts to a file |
| 13 | +def save_contacts(contacts): |
| 14 | + with open('contacts.json', 'w') as file: |
| 15 | + json.dump(contacts, file) |
| 16 | + |
| 17 | +# Function to add a new contact |
| 18 | +def add_contact(name, phone): |
| 19 | + contacts = load_contacts() |
| 20 | + contacts[name] = phone |
| 21 | + save_contacts(contacts) |
| 22 | + |
| 23 | +# Function to view all contacts |
| 24 | +def view_contacts(): |
| 25 | + contacts = load_contacts() |
| 26 | + if contacts: |
| 27 | + print("Contacts:") |
| 28 | + for name, phone in contacts.items(): |
| 29 | + print(f"{name}: {phone}") |
| 30 | + else: |
| 31 | + print("No contacts found.") |
| 32 | + |
| 33 | +# Main program loop |
| 34 | +while True: |
| 35 | + print("\nOptions:") |
| 36 | + print("1. Add a contact") |
| 37 | + print("2. View contacts") |
| 38 | + print("3. Exit") |
| 39 | + |
| 40 | + choice = input("Enter your choice (1/2/3): ") |
| 41 | + |
| 42 | + if choice == '1': |
| 43 | + name = input("Enter the name here : ") |
| 44 | + phone = input("Enter the phone number: ") |
| 45 | + add_contact(name, phone) |
| 46 | + print("Contact added successfully!") |
| 47 | + |
| 48 | + elif choice == '2': |
| 49 | + view_contacts() |
| 50 | + |
| 51 | + elif choice == '3': |
| 52 | + break |
| 53 | + |
| 54 | + else: |
| 55 | + print("Invalid choice. Please try again later.") |
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