urllib parse unquote can undo these escapes if neededc:\pp \internet\otherpython import urllib parse urllib parse quote(' ++'' % % bagaindon' work too hard at understanding these last few commandswe will revisit urls and url escapes in while exploring server-side scripting in python will also explain there why the +result came back with other oddities like &lt;&lt;--html escapes for <<generated by the tool cgi escape in the script on the server that produces the replyand usually undone by html parsers including python' html parser module we'll meet in import cgi cgi escape('<<''&lt;&lt;also in we'll meet urllib support for proxiesand its support for clientside cookies we'll discuss the related https concept in --http transmissions over secure socketssupported by urllib request on the client side if ssl support is compiled into your python for nowit' time to wrap up our look at the weband the internet at largefrom the client side of the fence other client-side scripting options in this we focused on client-side interfaces to standard protocols that run over socketsbut as suggested in an earlier footnoteclient-side programming can take other formstoo we outlined many of these at the start of --web service protocols (including soap and xml-rpc)rich internet application toolkits (including flexsilverlightand pyjamas)cross-language framework integration (including java and net)and more as mentionedmost of these serve to extend the functionality of web browsersand so ultimately run on top of the http protocol we explored in this for instancethe jython systema compiler that supports python-coded java applets--generalpurpose programs downloaded from server and run locally on the client when accessed or referenced by urlwhich extend the functionality of web browsers and interactions similarlyrias provide ajax communication and widget toolkits that allow javascript to implement user interaction within web browserswhich is more dynamic and rich than html and web browsers otherwise support in we'll also study python' support for xml--structured text that is used as the data transfer medium of client/server dialogs in web service protocols such as xml-rpcwhich transfer xml-encoded objects over httpand are client-side scripting