Website: https://www.ashatutorials.com/python_chainmap.html
Contents:
00:00 Start
01:04 ChainMap constructor
02:34 Accessing element of ChainMap
04:49 chainmap[] vs chainmap.get()
05:58 Deleting an element from ChainMap
07:32 Adding new element to ChainMap
09:35 Updating value of ChainMap
11:04 Deleting an element which exist in multiple mappings
12:08 Functions of ChainMap
14:10 Attributes of ChainMap
14:13 maps Attribute
16:26 Replacing mapping of ChainMap
17:41 Modifying element of mapping using ChainMap
18:54 parents Attribute
19:44 Functions of ChainMap
19:48 items()
22:58 pop()
24:52 Popping item from specific mapping
26:12 new_child()