start = int(input("Start: "))
end = int(input("End: "))

for i in range(start, end+1):
    if i % 2 == 0:
        print(i)

Start:  4
End:  8


4
6
8

nums = [1, 2, 2, 3, 2, 4]
x = 2

count = 0
for i in nums:
    if i == x:
        count += 1

print("Count:", count)

Count: 3

a = [1, 2, 3, 4]
b = [3, 4, 5, 6]

result = list(set(a) & set(b))
print(result)

[3, 4]