"""
write a program that returns a list that contains only the elements that are common between the lists
(without duplicates). Make sure your program works on two lists of different sizes.
Extras:

Randomly generate two lists to test this.
Write this in one line of Python.
"""
import random

a = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89]
b = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
c = []

for i in a: #for anything in a do:
    if i in b: #if any of a values are in b, do:
        c.append(i) #add each iterated value to list c.

print(c)