def getBMI(h, w):
    bmi=w((h/100)**2)
    if(bmi>23):
        result='過重'
    elif(bmi<18):
        result='過輕'
    else:
        result='正常'
    return bmi, result, h, w

bmi, result, h, w = getBMI(170.5, 60.5)
print("身高: %.1f 體重: %.1f BMI: %.2f (%s)" % (h, w, bmi, result))




