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5 changes: 0 additions & 5 deletions what_next.md
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Expand Up @@ -10,11 +10,6 @@ This is fairly easy if you think about it in terms of all the various stuff that

Once you are able to do this, you can claim to be a Python programmer. Now, immediately [send me an email]({{ book.contactUrl }}) thanking me for this great book ;-). This step is optional but recommended. Also, please consider [buying a printed copy]({{ book.buyBookUrl }}) to support the continued development of this book.

If you found that program easy, here's another one:

> Implement the [replace command](http://unixhelp.ed.ac.uk/CGI/man-cgi?replace). This command will replace one string with another in the list of files provided.

The replace command can be as simple or as sophisticated as you wish, from simple string substitution to looking for patterns (regular expressions).

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