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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(*args, **kwargs):
 """Initializes the SDK and optionally integrations. This takes the same arguments as the client constructor. """

    global _initial_client
    client = Client(*args, **kwargs)
    Hub.current.bind_client(client)
    rv = _InitGuard(client)
    if client is not None:
        _initial_client = weakref.ref(client)
    return rv