Pyzo is a cross-platform Python IDE focused on
interactivity and introspection, which makes it very suitable for
scientific computing. Its practical design is aimed at simplicity
and efficiency.

It consists of two main components, the editor and the shell, and uses
a set of pluggable tools to help the programmer in various ways. Some
example tools are source structure, project manager, interactive help,
workspace ...

Pyzo is written in (pure) Python 3 and uses the Qt GUI toolkit. Binaries
are provided for all major operating system. After installing Pyzo, it
can be used to execute code on any Python version available on your
system (Python 2.4 - 3.x, including Pypy).