BMI

                        weight = float(input("Input your weight (kg): "))
                        height = float(input("Input your height (m): "))
                        bmi = weight/ (height ** 2)
                        if bmi < 18.5:
                            print("underweight")
                        elif bmi >= 18.5 and bmi < 25:
                            print("normal weight")
                        elif bmi >= 25: 
                            print("overweight")