1 Add in voice.
2. Display in voice.
3.Search in voice
4.Delete in voice.
5 exit
Once user enter the option 1 you need to ask the following detail from the user

1. Invoice number.
2. Custmor name.
3. Contacet number
4. Invocie amount.

def add_Invoice():

    add_option = input("Enter you choose option number :")
    Invoice_Number = input("Add in voice :")
    Display_number = input("Display in voice :")
    input("Search in voice :")
    input("Delete in voice :")
    input("Exit !")

print(“Invoice added successfully.n”)

def add_Display():

def add_Search():

    invoice_number = input("Enter Invoice Number to Search: ")

def add_Delete():

    invoice_number = input("Enter Invoice Number to delete: ")

   

def main():

Invoice = []
while True:
    print("1. Add Invoice")
    print("2. Display Invoice")
    print("3. Search Invoice")
    print("4. Delete Invoice")
    print("5. Exit")
    choice = int(input("Enter your choice: "))
    if choice == 1:
        add_Invoice()
    elif choice == 2:
        add_Display()
    elif choice == 3:
        add_Search()
    elif choice == 4:
        add_Delete()
    elif choice == 5:
        print("Exiting the program. Goodbye!")
        break
    else:
        print("Invalid Choice")