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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 seoify_hyperlink(hyperlink):
 """Modify a hyperlink to make it SEO-friendly by replacing hyphens with spaces and trimming multiple spaces. :param hyperlink: URL to attempt to grab SEO from """

    last_slash = hyperlink.rfind('/')
    return re.sub(r' +|-', ' ', hyperlink[last_slash + 1:])