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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 download(url, dest):
 """Download the image to disk."""

    path = os.path.join(dest, url.split('/')[-1])
    r = requests.get(url, stream=True)
    r.raise_for_status()
    with open(path, 'wb') as f:
        for chunk in r.iter_content(chunk_size=1024):
            if chunk:
                f.write(chunk)
    return path