Tag Archives: examples

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-5f67976a3ae27058699389-i/]  or [crayon-5f67976a3ae30960831177-i/] , but python contracts that to the single word [crayon-5f67976a3ae34643109330-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...

What is a Logic Error ?

A logic error always does the following It allows the program to run (or at least to start). It leads to unexpected results . The program might seem to work fine 99% of the time, but during that other 1% of the time, something weird occurs. Example of a Logic Error in Penjee: As you can see from the above animation, we … Continue reading What is a Logic Error ? →