what is a IDE used for in python code example

Example 1: ide for python

#i presonally use pycharm but be open for other IDE's

Example 2: what is the best ide for python

"""
IntelliJ iDEA is the BEST IDE. Pycharm is only for python and is a bit too heavy,
VS code is super great too but intelliJ IDEA has more multi-language support
and more additional features, and a greater marketplace.
"""