Python-сообщество

def check_connection(network, first, second):
    for thing in network:
        if first in thing:
            things = thing.replace('-', ' ').split()
            for xy in things:
                if first != xy:
                    first = xy
                    if first == second:
                        return True
                        sys.exit()
                    else:
                        check_connection(network, first, second)
    return False

check_connection(
        ("dr101-mr99", "mr99-out00", "dr101-out00", "scout1-scout2",
         "scout3-scout1", "scout1-scout4", "scout4-sscout", "sscout-super"),
        "scout2", "scout3")