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bmi
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executable file
·30 lines (25 loc) · 982 Bytes
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#!/usr/bin/env python3.7
#BMI = (weight in kg / height in meters squared)
def gather_info():
height = float(input("What is your height? (inches or meters) "))
weight = float(input("What is your weight? (pounds or kilograms) "))
system = input("Are your measurements in metric or imperial systems? ").lower().strip()
return (height, weight, system)
def calculate_bmi(weight, height, system="metric"):
if system == "metric":
bmi = (weight / (height ** 2))
else:
bmi = 703 * (weight / (height ** 2))
return bmi
while True:
height, weight, system = gather_info()
if system.startswith("i"):
bmi = calaulate_bmi(weight, system="imperial", height=height)
print(f"Your BMI is {bmi}")
break
elif system.startswith("m"):
bmi = calculate_bmi(weight, height)
print(f"Your BMI is {bmi}")
break
else:
print("Error: unknow measurement system. please use imperial or metric.")