python pip install phonenumbers python import phonenumbers python phoneNumber = "+861234567890" parsedNumber = phonenumbers.parse(phoneNumber, None) formattedNumber = phonenumbers.format_number(parsedNumber, phonenumbers.PhoneNumberFormat.INTERNATIONAL) print(formattedNumber) python phoneNumber = "+6 012-345 6789" normalizedNumber = phonenumbers.normalize_digits_only(phoneNumber) print(normalizedNumber) python import phonenumbers phoneNumber = "+861234567890" parsedNumber = phonenumbers.parse(phoneNumber, None) formattedNumber = phonenumbers.format_number(parsedNumber, phonenumbers.PhoneNumberFormat.INTERNATIONAL) print(formattedNumber) normalizedNumber = phonenumbers.normalize_digits_only(phoneNumber) print(normalizedNumber)