python 脚本中 # -*- coding: utf-8 -*-的作用

001、

[root@pc1 test1]# ls
test01.py  test02.py
[root@pc1 test1]# cat test01.py
#!/usr/bin/env python

# 注释内容
list1 = ["aa", "bb", "cc"]
print(list1)
[root@pc1 test1]# cat test02.py
#!/usr/bin/env python
# -*- coding: utf-8 -*-

# 注释内容
list1 = ["aa", "bb", "cc"]
print(list1)
[root@pc1 test1]# python test01.py
  File "test01.py", line 3
SyntaxError: Non-ASCII character '\xe6' in file test01.py on line 3, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details
[root@pc1 test1]# python test02.py
['aa', 'bb', 'cc']

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