In the last post introducing Python, I demonstrated how to make a simple app using variables and conditional statements. In order to do anything really powerful in a given programming language though, ...

Our _parse_json function always returns the same result (hopefully) for the same input: you can either parse valid json or fail on invalid one. That's why we return pure Result, there's no IO inside ...

Converting data types is a common task in programming. In Python, we often need to convert integers to strings – for example, to display a number in a certain format or concatenate it with other ...