how can i print onto the screen which numbers are the same in each list

List1 = []

called List1 import random

for n in range(1000):
    y =  random.randrange(0,100000)
    List1.append(y)

    List2 = []

for n1 in range(1000):
    y1 =  random.randrange(0,100000)
    List2.append(y1)

first list, i want to see those numbers in #