It's more recent, but I wanted to do BMI calculation with python.

# coding: UTF-8
#Since the environment is Mac OS, UTF for Japanese support-8 
#BMI code　
#The name is health_check.py

def bmi(weight, height):
    bmi_data = []
    w = weight
    h = height
    bmi = w/(h*h)
    bmi = round(bmi, 1)
    bmi_data.append(bmi)
    if bmi<18.5:
        ans = "It is a thin type"
    elif bmi>=18.5 and bmi<25:
        ans = "Standard"
    else:
        ans = "I'm obese"
    bmi_data.append(ans)
    return bmi_data

# coding: UTF-8
# BMI health_check main
# health_check_main.py
import health_check
weight  = float(input('Please enter your weight(kg): '))
height0 = float(input('Please enter your height(cm): '))
height = height0/100
bj = health_check.bmi(weight, height)
print("----" * 10)
print("Your BMI: " + str(bj[0]) + '\n your body shape: ' + bj[1])

$ python health_check_main.py
Please enter your weight(kg): 55
Please enter your height(cm): 160
----------------------------------------
Your BMI: 21.5
Your body shape:Standard

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