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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 json_splitter(buffer):
 """Attempt to parse a json object from a buffer. If there is at least one object, return it and the rest of the buffer, otherwise return None. """

    buffer = buffer.strip()
    try:
        obj, index = json_decoder.raw_decode(buffer)
        rest = buffer[json.decoder.WHITESPACE.match(buffer, index).end():]
        return obj, rest
    except ValueError:
        return None