def available(self, **kwargs):
uri = "<STR_LIT>" % (self.uri, "<STR_LIT>")<EOL>response, instance = self.request("<STR_LIT:GET>", uri, params=kwargs)<EOL>return instance<EOL>
Find available dedicated numbers to buy. Returns dictionary like this:
::
    {
        "numbers": [
        "12146124143",
        "12172100315",
        "12172100317",
        "12172100319",
        "12172100321",
        "12172100323",
        "12172100325",
        "12172100326",
        "12172100327",
        "12172100328"
      ],
      "price": 2.4
    }

:Example:

numbers = client.numbers.available(country="US")

:param str country: Dedicated number country. Required.
:param str prefix:  Desired number prefix. Should include country code (i.e. 447 for GB)