abc = [6, 8, 23, 2, 19]

abc

[6, 8, 23, 2, 19]

result = [x for x in abc if(x > 6)]

result

[8, 23, 19]

square = [x*x for x in result]

square

[64, 529, 361]

# More expressions can be found here: https://www.python.org/dev/peps/pep-0289/