Download Moka Minimalist functional python library Moka is a minimalist functional library wrapping commons Python default data structures. In other words, it let you chain functional constructs in a readable and pythonic way. (List() # Create a new instance of moka.List .extend(range(1,20)) # Insert the numbers from 1 to 20 .keep(lambda x: x > 5) # Keep only the numbers bigger than 5 .rem(lambda