w = input('Please input your weight (kg): ') print(w) h = input('Please input youre height (cm): ') print(h) bmi = int(w)/int(h)/int(h)*10000 warn = '' if bmi < 18.5: warn = 'you are under-weight!!!' elif bmi >= 18.5 and bmi<23: warn = 'you are in normal range!!!' elif bmi>=23 and bmi<25: warn = 'you are over-weighted!!!' else: warn = 'you are obese!!!' print('Your BMI : {:.2f}, {}'.format(bmi, warn))