List comprehensions in Python cheatsheet

list_comprehensions.py

#Basic format
[thing for thing in list of things]

#Basic list comprehension with if statement 
fish_tuple = ('blowfish', 'clownfish', 'catfish', 'octopus')
fish_list = [fish for fish in fish_tuple if fish != 'octopus']

#Nested if statements 
number_list = [x for x in range(100) if x % 3 == 0 if x % 5 == 0]

#Nested for statements
my_list = [x * y for x in [20, 40, 60] for y in [2, 4, 6]]