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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 build_assert(cls: Type[_Block], nodes: List[ast.stmt], min_line_number: int) -> _Block: """ Assert block is all nodes that are after the Act node. Note: The filtering is *still* running off the line number of the Act node, when instead it should be using the last line of the Act block. """

        return cls(filter_assert_nodes(nodes, min_line_number), LineType._assert)