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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def encode_params(self, data=None, **kwargs):
 """ Encode parameters in a piece of data. Will successfully encode parameters when passed as a dict or a list of 2-tuples. Order is retained if data is a list of 2-tuples but arbitrary if parameters are supplied as a dict. """

        collection_format = kwargs.get("collection_format", self.collection_format)
        output_str = kwargs.get("output_str", self.output_str)
        sort = kwargs.get("sort", self.sort)

        if data is None:
            return "", self.content_type
        elif isinstance(data, (str, bytes)):
            return data, self.content_type
        elif hasattr(data, 'read'):
            return data, self.content_type
        elif collection_format == 'multi' and hasattr(data, '__iter__'):
            result = []
            for k, vs in to_key_val_list(data, sort=sort):
                if isinstance(vs, basestring) or not hasattr(vs, '__iter__'):
                    vs = [vs]
                for v in vs:
                    result.append(
                        (k.encode('utf-8') if isinstance(k, str) else k,
                         v.encode('utf-8') if isinstance(v, str) else to_string(v, lang=output_str)))
            return urlencode(result, doseq=True), self.content_type
        elif collection_format == 'encoded' and hasattr(data, '__iter__'):
            return urlencode(data, doseq=False), self.content_type
        elif hasattr(data, '__iter__'):
            results = []
            for k, vs in to_key_val_dict(data).items():
                if isinstance(vs, list):
                    v = self.COLLECTION_SEPARATORS[collection_format].join(quote_plus(e) for e in vs)
                    key = k + '[]'
                else:
                    v = quote_plus(vs)
                    key = k
                results.append("%s=%s" % (key, v))

            return '&'.join(results), self.content_type
        else:
            return data, self.content_type