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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 legacy_patch_shapes(space):
 """Assigns shapes to spaces that don't have shapes. This is only needed for older gym versions that don't set shapes properly for Tuple and Discrete spaces. """


    if not hasattr(space, "shape"):
        if isinstance(space, gym.spaces.Discrete):
            space.shape = ()
        elif isinstance(space, gym.spaces.Tuple):
            shapes = []
            for s in space.spaces:
                shape = legacy_patch_shapes(s)
                shapes.append(shape)
            space.shape = tuple(shapes)

    return space.shape