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And here we are with a brand new section and as you may have realized this is one of those hands on

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sections as you're going to build yet another real world program and I use this particular program every

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single day for my personal use and I wouldn't go as far as to say this has changed my life but I can

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certainly say that this program has multiplied my work productivity.

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There's no magic there.

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It's a simple python program yet tricky that runs on the background and all it does is it doesn't

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let you browse certain distracting websites such as Facebook or your e-mail account during your working hours.

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The program is tested to work on Windows, Mac and Linux.

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The idea is that once you build this program you pass to the program website links that you think

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are distracting.

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So you pass links as strings and the time that you are working on your computer and the program will

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block these websites during these working hours.

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And in that way you not only are much more productive but this also reduces stress as distraction is also known

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to cause stress. If you don't have anny problem with the distractions like I do you probably won't need

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this program.

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So I don't want to go further with the usability aspect.

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So usability is one of the benefits that you'll get from this program.

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The second benefit is of course the Python part because this program is quite tricky to build even

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though it's less than 30 lines of code.

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Here we're focusing on file manipulation and working with dates and times and also the aspect of 

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running a Python program as a process in the background which is something we haven't yet learned in

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the course.

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And yeah, I'll do a quick demo now of the program. This is the program so it's a python script, a dot py

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script which later if you want to you can attach to a graphical user interface if you want to

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give it to other people who don't know Python. And this Pythonb script runs as soon as your computer starts.

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So now, this program, this Python script is actually runing

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as a process as you can see this is the program running.

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And you also see that this occupies very little space actually.

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For instance if you compare this with other processes like Chrome the browser you see that this is very

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very insignificant which means that you can have the program run continuously on your computer and it will

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not cause any problem.

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So the program is running.

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And if you try now to access Facebook for instance you've got this site can be can not be reached.

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Same for hotmail.

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So I have a hotmail account so I blocked that too.

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That means I have to go back to work making up my mind that it's not the time to spend on such things

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right now.

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Maybe after six o'clock I can browse those websites if I want.

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And yeah that's about it.

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I know you probably have not much idea on how to start with this.

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And I understand you but I'll explain the architecture of the program in the next lecture and then start

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building it.

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So see you in the next lecture.