PBS, NASA, and Reddit use Python to program their websites. ... The Avocado Pi Python Programming Guide will be written for young people and have the following 17 projects for beginners: ...

Raspberry Pi's Python course teaches young coders how to use variables, loops, and functions to create interactive projects. Image: SolStock/GETTY.

There were a couple of issues with my previous calculation of the best fractional representation of pi. First, is pi. In that program, python was only using the first 16 digits of pi.

Happy Pi Day! Last year Dot Physics blogger Rhett Allain determined pi's value without even using a circle. This year he's at it again: using random numbers in pi to find pi.