# import os
# import subprocess

# list_files = subprocess.run(["ls", "-l"])
# # list_files2 = subprocess.run(["echo \"Hello World\" && echo \"Hello world 2\""])
# list_files2 = subprocess.run(["echo Hello World && echo Hello World 2",""]);
# print("The exit code was: %d" % list_files.returncode)
# print("The exit code was: %d" % list_files2.returncode)


# def test():
#     rootdir = './Projects'
#     projects = os.listdir(rootdir);
#     print(projects);



# def main():
#     # test();
#     # print("hello from main");
#     pass;


# if __name__ == "__main__":
#     main();



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 = calculate_bmi(weight, system='imperial', height=height)
        print(f"Your BMI is {bmi}")
    elif system.startswith('m'):
        bmi = calculate_bmi(weight, height)
        print(f"Your BMI is {bmi}")
    else:
        print("Error: Unknown measurement system. Please use imperial or metric.")