contacts.py

#Phonebook
from IPython.display import clear_output
contacts = {}
def printf(thid):
    if len(contacts) == 0:
        print("Empty list")
    else:
        for key,pair in thid.items():
            print(key,":",pair)
        
#drive code
flag = True
while flag:
    clear_output()
    print("CONTACTS:\n")
    print("Choose an operation:\n1. Add\n2. Delete\n3. Search\n4. Display\n5.Update\n")
    try:
        choice = int(input())
        if choice == 1:
            contacts[input("Enter a name:").title()] = int(input("Enter the number:"))
            print("Entry entered successfully!")
        elif choice == 2:
            try:
                del contacts[input("Enter the name to delete:").title()]
            except Exception as e:
                print('Error:{} not found!!'.format(e))
            else:
                print("Successfully deleted!")
        elif choice == 3:
            name = input("Enter the name to search:").title()
            try:
                print(name,":",contacts[name])
            except Exception as e:
                print('Error:{} not found!!'.format(e))
        elif choice == 4:
            try:
                printf(contacts)
            except Exception as e:
                print('Error:{} !!'.format(e))
        elif choice == 5:
            try:
                contacts[input("Enter a name:").title()] = int(input("Enter the number:"))
            except Exception as e:
                print('Error:{} not found!!'.format(e))
            else:
                print("Successfully updated!")
    except Exception as e:
        print('Error:{} does not exist!!'.format(e))
    finally:
        flag = input("Would you like to continue ?y/n").lower().startswith('y')
        clear_output()