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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 chunker(iterable, size=5, fill=''):
 """Chunk the iterable. Parameters iterable A list. size The size of the chunks. fill Fill value if the chunk is not of length 'size'. Yields ------- chunk A chunk of length 'size'. Examples ------- True """


    for index in range(0, len(iterable) // size + 1):
        to_yield = iterable[index * size: (index + 1) * size]

        # Stop yielding if empty
        if len(to_yield) == 0:
            break

        # Add fill values if there are too few elements
        if len(to_yield) < size:
            yield to_yield + [fill] * (size - len(to_yield))
        else:
            # Yield
            yield to_yield