Python遇到SyntaxError: Non-ASCII character '\xe5' in file D:\eclipseworkspace\test\test_urllib2.py on line2

写Python时遇到SyntaxError: Non-ASCII character '\xe5' in file D:\eclipseworkspace\test\test_urllib2.py on line2这个错误，把# coding=UTF-8放在第一行就能解决该问题