def getBmi(high, weigh):    return weigh / (high * high)bmi = getBmi(1.75, 70)if bmi < 18.5:    print("过轻")elif 18.5 < bmi < 25:    print("正常")elif 25 < bmi < 28:    print("过重")elif 28 < bmi < 32:    print("肥胖")else:    print("严重肥胖")