问题

SyntaxError: Non-UTF-8 code starting with '\xe3' in file test.py on line 8, but no encoding declared; see /dev/peps/pep-0263/ for detailsProcess finished with exit code 1

大意：以 '\xe3' 开头的非 UTF-8 代码，但未声明编码

解决方式

第一行增加

# -*- coding: utf-8 -*-