a=[]
b=[]
from random import* #import random
for i in range(1,randint(10,30)):
    a.append(randint(1,30))
    b.append(randint(1,30))
print("a ",a,"\nb ",b)
c = []
for item in (a and b): #include max array pick
    #print(item) #test a and b
    if item in a and b:
            c.append(item)

print("Here's your list\n",c)