AddressBook using OOP
assistant.py contains classes AddressBook, Record, Field, Name, Birthday and Phone
AddressBook's iterator can return all Records in parts of given size
You can save your AddressBook to binary file using method pickle_dump(self, filename: str = '')'
and to json file using method json_dump(self, filename: str = '').
Also you are able to unpack data from binary file with class method pickle_load(cls, filename: str = '')
and from json file with json_load(cls, filename: str = '').
You can search some text in your Addressbook using method search(self, phrase: str, ignore_case=True) -> list[Record]
It returns list with matching records.
method days_to_birthday of class Record calculates and returns number of day to the next birthday.