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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 init_all_receivers():
 """ Initialize all discovered Denon AVR receivers in LAN zone. Returns a list of created Denon AVR instances. By default SSDP broadcasts are sent up to 3 times with a 2 seconds timeout. """

    receivers = discover()

    init_receivers = []
    for receiver in receivers:
        init_receiver = DenonAVR(receiver["host"])
        init_receivers.append(init_receiver)
    return init_receivers