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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 is_image(file):
 """ Returns ``True`` if the file extension looks like an image file to Telegram. """

    match = re.match(r'\.(png|jpe?g)', _get_extension(file), re.IGNORECASE)
    if match:
        return True
    else:
        return isinstance(resolve_bot_file_id(file), types.Photo)