height=input('please enter your height :')h=float(height)weight=input('please enter your weight :')w=float(weight)bmi=w/(h*h)if bmi<18.5: print('过轻')elif bmi<=25: print('正常')elif bmi<=28: print('过重')elif bmi<=32: print('肥胖')else: print('严重肥胖')print('你的bmi是',bmi)
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