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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 input_(data, field_path):
 """Return a hydrated value of the ``input`` field."""

    data_obj = Data.objects.get(id=data['__id'])

    inputs = copy.deepcopy(data_obj.input)
    # XXX: Optimize by hydrating only the required field (major refactoring).
    hydrate_input_references(inputs, data_obj.process.input_schema)
    hydrate_input_uploads(inputs, data_obj.process.input_schema)

    return dict_dot(inputs, field_path)