how to find how many times an item is in an array python code example

Example 1: count occurrences of value in array python

>>> l = ["a","b","b"]
>>> l.count("a")

Example 2: python how to count items in array

myArray = [1, 2, 3]
len(myArray)
#output
3

Example 3: count values in list usiing counter

from collections import Counter