习题2

0：# 是注释符，可以使用注解的方法临时禁用某段代码。

# A comment, this is so you can read your program later.# Anything after the # is ignored by python.print "I could have code like this." # and the comment after is ignored# You can also use a comment to "disable" or comment out a piece of code:# print "This won't run."print "This will run."