#try to avoid input function
a = (1,22,3,4,55,6,77,8,99,0)
b = (11,22,33,44,55,66,77,88,99,100)
inter = []
union = list(a)
for i in a:
if i in b:
inter.append(i)
for j in b:
if j not in a:
union.append(j)
print(inter,union)
Click the run button. Try to avoid input() function.