height,weight=eval(input("请输入身高(米)和体重(公斤):"))
bmi=weight/pow(height,2)
print("BMI数值为:{:.2f}".format(bmi))
who,dow="",""
if bmi<18.5:
who,dom="偏瘦","偏瘦"
elif 18.5<=bmi<24:
who,dom="正常","正常"
elif 24<=bmi<25:
who, dom ="正常","偏胖"
elif 25<=bmi<26:
who, dom = "偏胖", "偏胖"
elif 28<=bmi<30:
who, dom = "偏胖", "肥胖"
else:
who, dom = "肥胖", "肥胖"
print("BMI指标为:国际'{0}',国内'{1}".format(who,dom))