Update SDK_tutorial_zh.md

Yabin Li

2023-08-23 4961861be070fd4a3ce62a2273603f0133eecefe

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)