CS50P - PSET5_Fuel.1.py

# https://cs50.harvard.edu/python/2022/psets/3/fuel/
# rewritten for test_fuel.py

def main():
    text = input("Fraction: ")
    print(gauge(convert(text)))

def convert(fraction):
    while True:
        try:
            x = int(fraction.split(sep="/")[0])
            y = int(fraction.split(sep="/")[1])
            if x > y:
                raise ValueError
            elif y == 0:
                raise ZeroDivisionError
            else:
                return round(x / y * 100)
        except (ValueError, ZeroDivisionError):
            fraction = input("Fraction: ")
            pass

def gauge(percentage):
    if percentage <= 1:
        return "E"
    elif percentage >= 99:
        return "F"
    else:
        return f"{percentage}%"

if __name__ == "__main__":
    main()