# List
# new_list[<action> for <item> in <iterator> if <some condition>]
a = [i for i in 'hello'] # ['h', 'e', 'l', 'l', '0']
b = [i*2 for i in [1,2,3]] # [2, 4, 6]
c = [i for i in range(0,10) if i % 2 == 0]# [0, 2, 4, 6, 8]