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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 aikif_web_menu(cur=''):
 """ returns the web page header containing standard AIKIF top level web menu """

    pgeHdg = ''
    pgeBlurb = ''
    if cur == '': 
        cur = 'Home'
    txt = get_header(cur) #"<div id=top_menu>"
    txt += '<div id = "container">\n'
    txt += '   <div id = "header">\n'
    txt += '   <!-- Banner -->\n'
    txt += '   <img src = "' + os.path.join('/static','aikif_banner.jpg') + '" alt="AIKIF Banner"/>\n'
    txt += '   <ul id = "menu_list">\n'
    for m in menu:
        if m[1] == cur:
            txt += '      <LI id="top_menu_selected"><a href=' + m[0] + '>' + m[1] + '</a></li>\n'
            pgeHdg = m[1]
            try:
                pgeBlurb = m[2]
            except Exception:
                pass
        else:
            txt += '      <LI id="top_menu"><a href=' + m[0] + '>' + m[1] + '</a></li>\n'
    txt += "    </ul>\n    </div>\n\n"
    txt += '<H1>AIKIF ' + pgeHdg + '</H1>\n'
    txt += '<H4>' + pgeBlurb + '</H4>\n'
    return txt