SyntaxError: Non-UTF-8 code but no encoding declared

1、错误描述

  File "E:\workspaces\Python\src\com\you\python\__init__.py", line 2
SyntaxError: Non-UTF-8 code starting with '\xd5' in file E:\workspaces\Python\src\com\you\python\__init__.py on line 2, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details

2、错误原因

if True:
print("真")
else:
print("假")

3、解决办法

# coding=gbk
if True:
print("真")
else:
print("假")