sweet_wave_9101

Use defaultdict(int) to count how many times each character appears in the string 'banana'

The Carousel

The Roll Call

The Yahtzee Scorer

Use a list as a stack

Behavioral Range

Double Vision

The First Encounter

Create a list original = [10, 20, 30]

Flatten the 2D list [[1, 2], [3, 4], [5, 6]] into a single flat list using a nested list comprehensi