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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 get_neighbor_out_filter(neigh_ip_address):
 """Returns a neighbor out_filter for given ip address if exists."""

    core = CORE_MANAGER.get_core_service()
    ret = core.peer_manager.get_by_addr(neigh_ip_address).out_filters
    return ret