def aa := Complex(10, 20)
def ab := Complex(10, 20.0)
def ac := Complex(10.0, 20)
def ad := Complex(10.0, 20.0)
def b := Int(10)
def c := Int("10")
def d := Int(10.2)
def e := Float(10)
def f := Float(2.3)
def g := Float("30")
def h := Bool(True)
def i := Str(10)
def j := Str("hello world")
def k := Str(20.0)
def l := Str(Complex(3, 1))
def m := Str(True)