How to get unique values with respective occurrence count from a list in Python?

Question

I have a list which has repeating items and I want a list of the unique items with their frequency.

For example, I have [\'a\', \'a\', \'b\', \'b\', \'b\']

Answer 1

Here's one way:

your_list = ['a', 'a', 'b', 'b', 'b']

count_dictionary = {}

for letter in your_list:

    if letter in count_dictionary:

        count_dictionary[letter] +=1 

    else:

        count_dictionary[letter] = 1