Python - Count elements in list

You can use the len() function to count the number of elements in a list. Here's an example:

my_list = [1, 2, 3, 4, 5]
count = len(my_list)
print(count)

This will output 5, which is the number of elements in the list.

You could also use collections.Counter() for counting the items in list

from collections import Counter
my_list = [1,2,3,4,5,5,5,5,5,5]
count = Counter(my_list)
print(count)

this will output Counter({5: 5, 1: 1, 2: 1, 3: 1, 4: 1}) which contains all unique elements and count of their occurence in the list.