In [18]: c = '你好'                                             

In [20]: d = c.encode('unicode_escape')                         

In [21]: d                                                      
Out[21]: b'\\u4f60\\u597d'

In [23]: e = d.decode('utf-8')                                  

In [24]: e                                                      
Out[24]: '\\u4f60\\u597d'

In [25]: type(e)                                                
Out[25]: str

In [26]: f = e.encode('utf-8').decode('unicode_escape')        # 在字符串中要将Unicode字符转换未中文,需要先编码. 

In [27]: f                                                      
Out[27]: '你好'

懂得,原来世界如此简单!