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address_book.py
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address_book.py
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# function to add contact
def add_contact():
name = input("Enter contact name: ")
phone = input("Enter phone number: ")
email = input("Enter email address: ")
contact = f"{name},{phone},{email}\n"
with open("address_book.txt", "a") as file:
file.write(contact)
print("Contact added successfully!")
# function to view contact
def view_contacts():
with open("address_book.txt", "r") as file:
contacts = file.readlines()
if not contacts:
print("No contacts found.")
else:
print("Contacts:")
for contact in contacts:
name, phone, email = contact.strip().split(",")
print(f"Name: {name}\tPhone: {phone}\tEmail: {email}")
# function to search contact
def search_contact():
term = input("Enter search term: ")
with open("address_book.txt", "r") as file:
contacts = file.readlines()
matching_contacts = []
for contact in contacts:
if term.lower() in contact.lower():
matching_contacts.append(contact)
if not matching_contacts:
print("No matching contacts found.")
else:
print("Matching Contacts:")
for contact in matching_contacts:
name, phone, email = contact.strip().split(",")
print(f"Name: {name}\tPhone: {phone}\tEmail: {email}")
# function to delete contact
def delete_contact():
term = input("Enter search term: ")
with open("address_book.txt", "r") as file:
contacts = file.readlines()
matching_contacts = []
for contact in contacts:
if term.lower() in contact.lower():
matching_contacts.append(contact)
if not matching_contacts:
print("No matching contacts found.")
else:
print("Matching Contacts:")
for i, contact in enumerate(matching_contacts, start=1):
name, phone, email = contact.strip().split(",")
print(f"{i}. Name: {name}\tPhone: {phone}\tEmail: {email}")
choice = input("Enter the number of the contact to delete: ")
try:
index = int(choice) - 1
contact_to_delete = matching_contacts[index]
contacts.remove(contact_to_delete)
with open("address_book.txt", "w") as file:
file.writelines(contacts)
print("Contact deleted successfully!")
except (ValueError, IndexError):
print("Invalid choice.")
# Main program
# added looping
while True:
print("\n***** Address Book *****")
print("1. -> Add Contact")
print("2. -> View Contacts")
print("3. -> Search Contact")
print("4. -> Delete Contact")
print("5. -> Quit")
choice = input("Enter your choice: ")
if choice == "1":
add_contact()
elif choice == "2":
view_contacts()
elif choice == "3":
search_contact()
elif choice == "4":
delete_contact()
elif choice == "5":
print("Thank you for using the Address Book!")
break
else:
print("Invalid choice. Please try again.")