uaveiro-leci/1ano/fp/aula03/bmi.py

49 lines
1.2 KiB
Python
Executable File

# This function computes the body mass index (BMI),
# given the height (in meter) and weight (in kg) of a person.
def bodyMassIndex(height, weight):
# Complete the function definition...
bmi = weight / height**2
return bmi
# This function returns the BMI category acording to this table:
# BMI: <18.5 [18.5, 25[ [25, 30[ 30 or greater
# Category: Underweight Normal weight Overweight Obesity
def bmiCategory(bmi):
assert bmi>0
# Complete the function definition...
if bmi < 18.5:
return 'Underweight'
elif bmi < 25:
return 'Normal weight'
elif bmi < 30:
return 'Overweight'
else:
return 'Obesity'
# This is the main function
def main():
print("Índice de Massa Corporal")
altura = float(input("Altura (m)? "))
if altura < 0:
print("ERRO: altura inválida!")
exit(1)
peso = float(input("Peso (kg)? "))
if peso < 0:
print("ERRO: peso inválido!")
exit(1)
# Complete the function calls...
imc = bodyMassIndex(altura, peso)
cat = bmiCategory(imc)
print("BMI: {:.2f} kg/m2".format(imc))
print("BMI category:", cat)
# Program starts executing here
if __name__ == "__main__":
main()