parse json object

def _parseJSON(self, obj):
        newobj = {}

        for key, value in obj.iteritems():
                key = str(key)

                if isinstance(value, dict):
                        newobj[key] = self._parseJSON(value)
                elif isinstance(value, list):
                        if key not in newobj:
                                newobj[key] = []
                                for i in value:
                                        newobj[key].append(self._parseJSON(i))
                elif isinstance(value, unicode):
                        val = str(value)
                        if val.isdigit():
                                val = int(val)
                        else:
                                try:
                                        val = float(val)
                                except ValueError:
                                        val = str(val)
                        newobj[key] = val

        return newobj

use like this:
obj = json.loads(content, parse_float=float, parse_int=int)
obj = _parseJSON(obj)