Python REPL and Environment Manager

Python REPL

An interpreter is also commonly called a REPL, which refers to the Read-Eval-Print Loop. The simplest approach is to just run Python at the command line. This interpreter is not the most user-friendly.

A popular option is to use Jupyter, an in-browser notebook editor, but it’s advised not to use it for application development.

Using IPython, which is the Python back-end used by Jupyter, is a better option. It has full readline capability, meaning we can use up and down arrows to step through previous commands, or we can search for commands. It keeps a history, which is very useful after ...