designatefrom random import randint
A = list((randint(1,5)) for i in range(20))
B = list((randint(1,5)) for i in range(20))
result = []
for i in A:
for j in B:
if i == j:
result. append(i)
if len(result) > 0:
print(*result)
else:
print("Совпадений нет. ")
Ianrius