Doc.txt

The given code is a Python script that validates a phone number entered by the user.

The program defines one function:
get_phone_info(phone_number)

This function takes a phone number as input and returns a tuple containing the country name, carrier name, and location of the phone number, if they are available. If the phone number is not valid or if an error occurs during the validation process, the function returns None, None, None.
Libraries

This program uses the following libraries:

phonenumbers

This library provides functions for parsing, formatting, and validating international phone numbers. It is used to validate the phone number and get information about the carrier and location for a valid phone number.

pycountry

This library provides a database of country names and codes based on the ISO 3166 standard. It is used to get the name of the country for a valid phone number.