In [4]:
import lxml.etree as ET
import re, os, lxml.html, time
txt_ru = "Привет!"
txt_zh = "你好!"
para = ET.Element("para")
ET.SubElement(para, "se", lang="ru").text = txt_ru
zh = ET.SubElement(para, "se", lang="zh")
zh2 = ET.SubElement(para, "se", lang="zh2")

In [5]:
el = ET.SubElement(zh, 'w')
ana = ET.SubElement(el, 'ana', lex='dsfjkldsjf')
ana.tail = txt_zh[0]

In [6]:
ET.tostring(para, pretty_print=True)


Out[6]:
b'<para>\n  <se lang="ru">&#1055;&#1088;&#1080;&#1074;&#1077;&#1090;!</se>\n  <se lang="zh">\n    <w><ana lex="dsfjkldsjf"/>&#20320;</w>\n  </se>\n  <se lang="zh2"/>\n</para>\n'

In [ ]: