Python问题：SyntaxError: Non-ASCII character '\xe3' in file

details as follows:

Resolve as follows:

1. SyntaxError: Non-ASCII character '\ xe3' in file means that the presence of non-ASCII characters in the file;

2. ASCII is a character that is eight, a total of 256 characters, with the development of computers now use two or four characters;

3. Additional recommendations in the file header :( effective pro-test)

4. 1 2 3

   # -*- coding: cp936 -*- 或者 # -*- coding: utf-8 -*

5. To form a more complex encoding and decoding.