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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 create_month_selectbox(name, selected_month=0, ln=None):
 """Creates an HTML menu for month selection. Value of selected field is numeric. @param selected_month: preselect a month. use 0 for the Label 'Month' @param ln: language of the menu @return: html as string """

    ln = default_ln(ln)
    out = "<select name=\"%s\">\n" % name

    for i in range(0, 13):
        out += "<option value=\"%i\"" % i
        if (i == selected_month):
            out += " selected=\"selected\""
        out += ">%s</option>\n" % get_i18n_month_name(i, ln)
    out += "</select>\n"
    return out