习题2 注释和#号

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

这是Zed给出的代码，用以让人明白注释的作用

倒着阅读每行代码很有用，可以检查错误

#-*-coding:utf-8-*- 不是注释