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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 make_block(self, values, placement=None, ndim=None):
 """ Create a new block, with type inference propagate any values that are not specified """

        if placement is None:
            placement = self.mgr_locs
        if ndim is None:
            ndim = self.ndim

        return make_block(values, placement=placement, ndim=ndim)