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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 compute_gas_limit_bounds(parent: BlockHeader) -> Tuple[int, int]: """ Compute the boundaries for the block gas limit based on the parent block. """

    boundary_range = parent.gas_limit // GAS_LIMIT_ADJUSTMENT_FACTOR
    upper_bound = parent.gas_limit + boundary_range
    lower_bound = max(GAS_LIMIT_MINIMUM, parent.gas_limit - boundary_range)
    return lower_bound, upper_bound