Intro

I don't have the usu­al pro­gram­mer's ed­u­ca­tion. I stud­ied math­s, and then dropped out of that, and am most­ly self­-­taugh­t. So, there are some parts of pro­gram­ming I al­ways saw weari­ly, think­ing to my­self that I re­al­ly should go to school to learn them. One re­mark­able such area is pars­ing and im­ple­ment­ing lan­guages.

Well... sure, school is al­ways a good idea, but this is not that hard. In this ar­ti­cle I will ex­plain how to go from noth­ing to a func­tion­ing, ex­ten­si­ble lan­guage, us­ing Python and Py­Pars­ing. If you are as scared of gram­mars, parsers and all that jazz as I used to be, come along, it's pret­ty sim­ple,

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