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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 get_body(name):
 """Retrieve the Body structure of a JPL .bsp file object Args: name (str) Return: :py:class:`~beyond.constants.Body` """


    body = Pck()[name]
    body.propagate = lambda date: get_orbit(name, date)
    return body