为什么报错NameError: name 'GBK' is not defined？如何解决？

Question

# coding=utf-8
import sys
a_utf8='人生苦短'
a_gbk=a_utf8.encode(GBK)
print ('a_gbk')

C:\Users\zbj15010857936\PycharmProjects\pythonProject\venv\Scripts\python.exe C:/Users/zbj15010857936/PycharmProjects/pythonProject/main.py
Traceback (most recent call last):
  File "C:/Users/zbj15010857936/PycharmProjects/pythonProject/main.py", line 4, in <module>
    a_gbk=a_utf8.encode(GBK)
NameError: name 'GBK' is not defined

Process finished with exit code 1

Answer 1

GBK应该传入字符串类型的  'GBK'