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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 _symbols_for_image(image):
 """Generator of symbols. Args: image: `zbar_image` Yields: POINTER(zbar_symbol):
 Symbol """

    symbol = zbar_image_first_symbol(image)
    while symbol:
        yield symbol
        symbol = zbar_symbol_next(symbol)