encodeStr = '%E5%8F%88%E6%9C%89%E5%A4%A7%E5%8F%91%E7%8E%B0%EF%BC%81%E7%94%B5%E7%A7%91%E5%A5%BD%E7%89%9B%E5%88%9A%E5%88%9A%E7%9C%8B%E5%88%B0%E4%B8%80%E4%B8%AA%E5%85%A8%E5%BD%A9%E5%A4%9C%E8%A7%86%E8%AE%BE%E5%A4%87%EF%BC%8C%E7%9B%B8%E5%BD%93%E4%BA%8E%E6%8A%8A%E4%BA%BA%E5%AF%B9%E5%85%89%E7%9A%84%E6%95%8F%E6%84%9F%E5%BA%A6%E6%8F%90%E5%8D%87%E4%B8%87%E5%80%8D%EF%BC%81%0A%0A%E4%B8%96%E7%95%8C%E5%85%AC%E5%BC%80%E7%9A%84%E5%94%AF%E4%BA%8C%EF%BC%8C%E5%8F%AA%E6%9C%89%E5%B0%B1%E6%98%AF%E8%80%81%E7%BE%8E%E5%9B%BD%E9%98%B2%E9%83%A8%E9%82%A3%E4%B8%AA%E5%9B%BD%E9%98%B2%E8%AE%A1%E5%88%92%E5%AE%9E%E9%AA%8C%E5%AE%A4%EF%BC%88DARPA%EF%BC%8919%E5%B9%B4%E6%90%9E%E8%BF%87%E4%B8%AA%E7%B1%BB%E4%BC%BC%E7%9A%84%E3%80%82%0A%0A%E4%B8%8D%E8%BF%87%E5%AF%B9%E4%B8%AD%E5%9B%BD%E6%9D%A5%E8%AF%B4%E9%82%A3%E5%B0%B1%E6%98%AF%E5%94%AF%E4%B8%80%E4%BA%86%EF%BC%81%0A%0A5W%E5%83%8F%E7%B4%A0%EF%BC%8C25FPS%EF%BC%8C%E6%88%90%E5%83%8F%E6%9D%A1%E4%BB%B6%E6%98%AF0.001%E6%B5%81%E6%98%8E%E3%80%82%E7%94%A8%E5%A4%A7%E7%99%BD%E8%AF%9D%E8%AF%B4%E5%B0%B1%E6%98%AF%E4%BC%B8%E6%89%8B%E4%B8%8D%E8%A7%81%E4%BA%94%E6%8C%87%E7%9A%84%E7%8E%AF%E5%A2%83%E6%8B%8D%E5%87%BA%E7%9C%9F%E5%AE%9E%E5%BD%A9%E8%89%B2%E5%9B%BE%E5%83%8F%E3%80%82%E4%BB%A5%E5%89%8D%E7%9A%84%E5%A4%9C%E8%A7%86%E8%AE%BE%E5%A4%87%E8%A6%81%E4%B9%88%E7%94%A8%E8%A1%A5%E5%85%89%EF%BC%8C%E8%A6%81%E4%B9%88%E7%94%A8%E7%9A%84%E4%BC%AA%E5%BD%A9%E3%80%8240W%E4%B8%80%E5%8F%B0%EF%BC%8C%E4%BB%B7%E6%A0%BC%E4%B9%9F%E4%B8%8D%E7%AE%97%E5%A4%AA%E7%A6%BB%E8%B0%B1%EF%BC%8C%E9%87%8F%E4%BA%A7%E4%B9%8B%E5%90%8E%E6%88%90%E6%9C%AC%E8%82%AF%E5%AE%9A%E8%BF%98%E5%8F%AF%E4%BB%A5%E5%86%8D%E9%99%8D%E3%80%82'
decodeStr = urllib.parse.unquote(encodeStr)
print('-------@@@@@@@@@@')
print(decodeStr)
temp = decodeStr.encode()
print('-------#########')
print(temp)
print('-------！！！！！！！！！')
base64Str = base64.b64encode(temp)
print(base64Str)
print('========')
unbase64Str = base64.b64decode(base64Str).decode("utf-8")
print(unbase64Str)
print('$$$$========')