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< h1 class = "post-title" > The Buridan's donkey in python< / h1 >
< span class = "post-date" > 02 Apr 2016< / span >
< p > During the final weeks of my exam session I started reading a bit about python 3 using an excellent book: < a href = "http://www.diveintopython.net/" > Dive into Python< / a > .
When I noted that python uses the < a href = "https://en.wikipedia.org/wiki/Mersenne_Twister" > Mersenne Twister PRNG< / a > as well I decided to write another version of my < a href = "http://francescomecca.eu/index.php/archives/207" > Buridan' s donkey program< / a > .< / p >
< figure class = "highlight" > < pre > < code class = "language-python" data-lang = "python" > < span class = "kn" > import< / span > < span class = "nn" > random< / span > < span class = "o" > ,< / span > < span class = "nn" > sys< / span >
< span class = "k" > if< / span > < span class = "n" > __name__< / span > < span class = "o" > ==< / span > < span class = "s" > '__main__'< / span > < span class = "p" > :< / span >
< span class = "n" > args< / span > < span class = "o" > =< / span > < span class = "nb" > list< / span > < span class = "p" > ()< / span >
< span class = "k" > if< / span > < span class = "ow" > not< / span > < span class = "n" > sys< / span > < span class = "o" > .< / span > < span class = "n" > stdin< / span > < span class = "o" > .< / span > < span class = "n" > isatty< / span > < span class = "p" > ():< / span >
< span class = "k" > for< / span > < span class = "n" > line< / span > < span class = "ow" > in< / span > < span class = "n" > sys< / span > < span class = "o" > .< / span > < span class = "n" > stdin< / span > < span class = "p" > :< / span >
< span class = "k" > if< / span > < span class = "n" > line< / span > < span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "mi" > 1< / span > < span class = "p" > ]< / span > < span class = "ow" > is< / span > < span class = "s" > '< / span > < span class = "se" > \n< / span > < span class = "s" > '< / span > < span class = "p" > :< / span >
< span class = "n" > line< / span > < span class = "o" > =< / span > < span class = "n" > line< / span > < span class = "p" > [:< / span > < span class = "o" > -< / span > < span class = "mi" > 1< / span > < span class = "p" > ]< / span >
< span class = "n" > args< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > line< / span > < span class = "p" > )< / span >
< span class = "k" > else< / span > < span class = "p" > :< / span >
< span class = "n" > args< / span > < span class = "o" > =< / span > < span class = "n" > sys< / span > < span class = "o" > .< / span > < span class = "n" > argv< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > :]< / span >
< span class = "n" > argRange< / span > < span class = "o" > =< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > args< / span > < span class = "p" > )< / span >
< span class = "k" > for< / span > < span class = "n" > i< / span > < span class = "ow" > in< / span > < span class = "nb" > range< / span > < span class = "p" > (< / span > < span class = "n" > argRange< / span > < span class = "p" > ):< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "nb" > str< / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "o" > +< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span > < span class = "o" > +< / span > < span class = "s" > '.'< / span > < span class = "p" > ,< / span > < span class = "n" > args< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "n" > random< / span > < span class = "o" > .< / span > < span class = "n" > randrange< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "n" > args< / span > < span class = "p" > ))))< / span > < / code > < / pre > < / figure >
< p > This script works in a different way than the one in c++.
Rather than shuffling a list made by the entries in the arguments, it pops randomly one entry from the list till the list is empty.< / p >
< p > Not satisfied enough, I wrote also a telegram bot using the < a href = "https://github.com/eternnoir/pyTelegramBotAPI" > telebot library< / a > that works as the script above but inside the telegram app.
The bot can be added to your contact list by simply searching for < a href = "http://telegram.me/duridan_donkey_bot" > @duridan_donkey_bot< / a > (yes, a typo!)< / p >
< p > All the code is opensource and can be found on my github page.< / p >
< p > Francesco Mecca< / p >
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