How to Quickly Merge 2 Containers in OneNote?

Question:
How to merge 2 containers in OneNote?

Answer:
Way 1:
Using cut and paste.
Select all source container, and press Ctrl + X to cut.
in target container, press Ctrl + V to paste.

Way 2:
Press "Shift" key, drag source container, and drop it into target container, it will merge these 2 containers.