Python, for all its power and popularity, has long lacked a form of flow control found in other languages ... a value and use the key or some other variable as input. In many cases this works ...

The only mylist variable in the main process remains empty ... but it goes a long way toward making sure things aren't out of control. Reuven Lerner teaches Python, data science and Git to companies ...

In those analyses, researchers will face any number of analytical decisions, including whether to use fixed or random effects models to control for variables that don ... in the programming language ...