下面是一個簡單的Python通訊錄程序代碼示例：

class Contact:
    def __init__(self, name, phone_number):
        self.name = name
        self.phone_number = phone_number

class AddressBook:
    def __init__(self):
        self.contacts = []

    def add_contact(self, contact):
        self.contacts.append(contact)

    def remove_contact(self, contact):
        self.contacts.remove(contact)

    def search_contact(self, name):
        for contact in self.contacts:
            if contact.name == name:
                return contact
        return None

    def display_contacts(self):
        if len(self.contacts) == 0:
            print("No contacts found.")
        else:
            for contact in self.contacts:
                print(f"Name: {contact.name}, Phone Number: {contact.phone_number}")

def main():
    address_book = AddressBook()

    while True:
        print("1. Add Contact")
        print("2. Remove Contact")
        print("3. Search Contact")
        print("4. Display All Contacts")
        print("5. Quit")

        choice = input("Enter your choice: ")

        if choice == "1":
            name = input("Enter name: ")
            phone_number = input("Enter phone number: ")
            contact = Contact(name, phone_number)
            address_book.add_contact(contact)
            print("Contact added.")
        elif choice == "2":
            name = input("Enter name: ")
            contact = address_book.search_contact(name)
            if contact:
                address_book.remove_contact(contact)
                print("Contact removed.")
            else:
                print("Contact not found.")
        elif choice == "3":
            name = input("Enter name: ")
            contact = address_book.search_contact(name)
            if contact:
                print(f"Name: {contact.name}, Phone Number: {contact.phone_number}")
            else:
                print("Contact not found.")
        elif choice == "4":
            address_book.display_contacts()
        elif choice == "5":
            break
        else:
            print("Invalid choice. Please try again.")

if __name__ == "__main__":
    main()

這個程序通過創建Contact類和AddressBook類來實現通訊錄的功能。Contact類用于表示一個聯系人，包含姓名和電話號碼兩個屬性。AddressBook類用于表示通訊錄，包含一個聯系人列表，以及添加、刪除、搜索和顯示聯系人的方法。

在main函數中，通過一個無限循環，根據用戶的選擇執行相應的操作，包括添加聯系人、刪除聯系人、搜索聯系人、顯示所有聯系人以及退出程序。

注意：上述代碼只是一個簡單的示例，實際的通訊錄程序可能需要更多的功能和優化。