Tag Archives: python

What is DeMorgan’s Law in Programming? [ Answered with pics]

Demorgan’s Law is something that any student of programming eventually needs to deal with. Just tell me the “formula”: ok the diagram below shows the 2 ways that you can re-write a compound boolean expression using DeMorgan’s Law. (The very bottom of this page shows coding examples and common misconceptions) How do you say “no” to … Continue reading What is DeMorgan’s Law in Programming? [ Answered with pics] →

What’s an elif in Python? [Answered with vids and gifs]

In short,  an “elif”  means “else  if”.. If you’ve used other programming languages, you’re probalby used to writing [crayon-6041b7cf90ea3476072298-i/]  or [crayon-6041b7cf90eac825125125-i/] , but python contracts that to the single word [crayon-6041b7cf90eb1904166349-i/]  .   The video below, from our middle school cu rriculum for teaching kids python, explains how to use an elif     If  you’re not a video … Continue read...

Teaching Debugging in Penjee

Introduction   Debugging is like tasting a dish while working on it. A chef may check the level of salt or test to see the temperature of a roast. Debugging is like this, in that it lets you inspect the program as it is running and enables you to check variables or see errors as … Continue reading Teaching Debugging in Penjee →