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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 _is_cidr_in_ignore_routes(cidr):
 """ Checks the CIDR to see if it falls into any CIDRs specified via the ignore_routes parameter. This is used mostly to protect special routes to specific instances (for example proxies, etc.), so that the vpc-router does not clean those up. Only used to govern cleanup of routes, is not consulted when creating routes. """

    for ignore_cidr in CURRENT_STATE.ignore_routes:
        if is_cidr_in_cidr(cidr, ignore_cidr):
            return True
    return False