Update SDK_tutorial_zh.md

zhifu gao

2023-07-02 6043d1119260c3f8b83859bd9f3fa719e3f0342d

1
2
3
4
5
6
7
8
9
10
11
12
13
14
# -*- coding: utf-8 -*-
 
 
try:
    strtype = basestring
except NameError:
    strtype = str
 
 
def to_s(val):
    try:
        return unicode(val)
    except NameError:
        return str(val)