3. if block

x = 10
y = 4
if x > 5:
    print("x is bigger than 5")

if y < 5:
    print("y is less than 5")

if x == 5:
    print("x equals to 5")

x = [1, 4, 7, 10]
if len(x) > 2:
    print("x is a large list")