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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 iterjson(text):
 """Decode JSON stream."""

    decoder = json.JSONDecoder()
    while text:
        obj, ndx = decoder.raw_decode(text)

        if not isinstance(obj, dict):
            raise ValueError()

        text = text[ndx:].lstrip('\r\n')
        yield obj