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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 initialize_page(title, style, script, header=None):
 """ A function that returns a markup.py page object with the required html header. """


    page = markup.page(mode="strict_html")
    page._escape = False
    page.init(title=title, css=style, script=script, header=header)

    return page