'Initialize the PhoneNumberList
:param Version version: Version that contains the resource
:returns: twilio.rest.pricing.v1.phone_number.PhoneNumberList
:rtype: twilio.rest.pricing.v1.phone_number.PhoneNumberList'

def __init__(self, version):

    super(PhoneNumberList, self).__init__(version)
    self._solution = {}
    self._countries = None
