Website: https://www.ashatutorials.com/python_counter.html
Contents:
00:00 Start
01:27 Counter constructor
04:04 Conuter with different comparable types
05:09 Adding new element to counter
05:32 Adding new element with existing key
05:59 Deleting an element from dictionary
06:48 Functions of Counter
07:19 elements()
08:18 most_common()
09:05 Extracting least common elements
09:53 update()
11:46 subtract()
13:34 Commont methods of Counter and Dictionary
14:29 Counter Operators
17:51 Counter Example
