weight = float ( input ( '请输入你的体重(千克)' )) |
height = float ( input ( '请输入你的身高(米)' )) |
bmi = weight / (height * height) |
if bmi < 18.5 : |
print ( '体重过轻' ) |
else : |
if bmi < 23.9 : |
print ( '正常' ) |
else : |
if bmi < 27.9 : |
print ( '超重' ) |
else : |
print ( '肥胖' ) |