Black Lives Matter. Please consider donating to Black Girls Code today.
Learn how to use COVID-19 data in open source Dash apps. Register for the Sept 23rd webinar with IQT!

Design Patterns applied in Plotly python?

Hi,

I want to find out 2 kinds of design patterns used in Plotly Python. However, I only found one which is Template method(In the directory of plotly\matplotlylib).

I want to find out one more design pattern. Can anyone show me ?

Great thanks.
Yang