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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(f, n):
 """ Utility function to split iterable `f` into `n` chunks """

    f = iter(f)
    x = []
    while 1:
        if len(x) < n:
            try:
                x.append(f.next())
            except StopIteration:
                if len(x) > 0:
                    yield tuple(x)
                break
        else:
            yield tuple(x)
            x = []