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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 html_page(title="Page Title", body=""):
 """Create HTML page as string."""

    html = "<html>\n<head><title>%s</title></head>\n<body>\n" % (title)
    html += "<h1>%s</h1>\n" % (title)
    html += body
    html += "</body>\n</html>\n"
    return html