05_List_Overlay.py

'''
05.py: Exercise 05 from practicepython.org.
Take two lists and write a program that returns a list that contains only the elements that are common between the lists (without duplicates).
'''
__author__ = "Christopher J Shaw"

import random

list1=[]
list2=[]

for _ in range(20):
    num1 = random.randrange(0, 99)
    if num1 not in list1:
        list1.append(num1)

    num2 = random.randrange(0, 99)
    if num2 not in list2:
        list2.append(num2)

print(list1)
print(list2)

common = []
for num in list1:
    if num in list2:
         common.append(num)

print(common)