出现情况,输入如下一个函数demo: run,报错: SyntaxError: Non-ASCII character '\xe6' in file /Users/XX/PycharmProjects/lesson1Python/pythonTest/ts.py on line 3, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details 如何解决? 原因:是因为Python在默认状态下不支持源…