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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 rpc_name(rpc_id):
 """Map an RPC id to a string name. This function looks the RPC up in a map of all globally declared RPCs, and returns a nice name string. if the RPC is not found in the global name map, returns a generic name string such as 'rpc 0x%04X'. Args: rpc_id (int):
 The id of the RPC that we wish to look up. Returns: str: The nice name of the RPC. """


    name = _RPC_NAME_MAP.get(rpc_id)
    if name is None:
        name = 'RPC 0x%04X' % rpc_id

    return name