arit dan comparison

print("Hello World!")
print(7 + 2)
print(10 - 4)
print(3 * 4)
print(12.0 / 2)
print("hello, " + "world")
print(20 % 10)
print(20 / 10)
print(10 % 4)
print(-10 % 4)
print(10 % -4)
print((-4 * -2) + 2)
print(1 == 1)
print(2 != 1)
print(2 > 1)
print(1 < 2)
print(1 >= 1)
print(2 <= 1)
print(15 == 25)
print(15 != 25)
print(15 <= 25)
let name = "world"
if name == "world" {
    print("hello, world")
}  else {
    print("I'm sorry \(name), but I don't recognize you")
}

print((4, "dog") == (4, "dog"))
print(("blue", -1) < ("purple", 1))