Make an HTML table from a List

list_to_table.py

html(tab_list([[i,i.get_sign(),d[i],d[i].get_sign()] for i in d], headers = ['element',sign,'image',sign]))

def tab_list(y, headers = None):
    '''
    Converts a list into an html table with borders.
    '''
    s = '<table border = 1>'
    if headers:
        for q in headers:
            s = s + '<th>' + str(q) + '</th>'
    for x in y:
        s = s + '<tr>'
        for q in x:
            s = s + '<td>' + str(q) + '</td>'
        s = s + '</tr>'
    s = s + '</table>'
    return s