height = 1.75 weight = 80.5 bmi = weight/height/height 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')
height * height height ** 2
height * height
height ** 2
谢谢@廖雪峰大神
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汵翰空
height = 1.75 weight = 80.5 bmi = weight/height/height 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')