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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(self, variables, attributes):
 """ Encode the variables and attributes in this store Parameters variables : dict-like Dictionary of key/value (variable name / xr.Variable) pairs attributes : dict-like Dictionary of key/value (attribute name / attribute) pairs Returns ------- variables : dict-like attributes : dict-like """

        variables = OrderedDict([(k, self.encode_variable(v))
                                 for k, v in variables.items()])
        attributes = OrderedDict([(k, self.encode_attribute(v))
                                  for k, v in attributes.items()])
        return variables, attributes