height = 1.75
weight = 75
username ='小明'
bmi = weight / height**2
print(f'{username}您好,您的体质指数为(round(bmi,1)')
if bmi <=18.5:
print(f'{username}您好,您的体质偏瘦')
elif bmi <=24.9:
print(f'{username}您好,您的体质正常')
elif bmi <=29.9:
print(f'{username}您好,您的体质超重')
else:
print(f'{username}您好,您的体质肥胖')
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