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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 placeholdit( width, height, background_color="cccccc", text_color="969696", text=None, random_background_color=False ):
 """ Creates a placeholder image using placehold.it Usage format: {% placeholdit [width] [height] [background_color] [text_color] [text] %} Example usage: Default image at 250 square {% placeholdit 250 %} 100 wide and 200 high {% placeholdit 100 200 %} Custom background and text colors {% placeholdit 100 200 background_color='fff' text_color=000' %} Custom text {% placeholdit 100 200 text='Hello LA' %} """

    url = get_placeholdit_url(
        width,
        height,
        background_color=background_color,
        text_color=text_color,
        text=text,
    )
    return format_html('<img src="{}"/>', url)