Using functions calculating number of stops from Bangalore to Goa

s02aq02-solution.py

''' Using functions calculating number of stops from Bangalore to Goa '''

# odometer reading starting, ending values and calculating the difference
def odometer_reading_difference():
    starting_value = float(input("Provide odometer trip starting value in Kms: "))
    ending_value = float(input("Provide odometer trip ending value in Kms: "))
    if ending_value < starting_value:
        print("Starting value cannot be greater than ending value")
        exit()
    elif ending_value == starting_value:
        print("You need to travel to calculate the milege")
        exit()
    else:
        distance_travelled = ending_value - starting_value
        return distance_travelled

# taking unit price input of petrol during purchase
def fuel_unit_price():
    return float(input("Provide cost of 1 unit of fuel in Rupees: "))

# taking amount paid to purchase the total fuel for the distance
def amount_paid():
    return float(input("Provide the total cost paid for single filling in Rupees: "))

# calculating mileage
def mileage():
    trip_dist = odometer_reading_difference()
    unit_price = fuel_unit_price()
    total_amount = amount_paid()
    total_fuel_consumed = (total_amount/unit_price)
    mileage_of_car = (trip_dist/total_fuel_consumed)
    print("Total distance travelled: ", trip_dist, "kms", ", Total fuel consumed: ", total_fuel_consumed, "ltrs")
    #filling_based_distance_covered(mileage_of_car, unit_price)
    return mileage_of_car

'''
# distance travelled based on one time filling cost
def filling_based_number_of_stops(mlg, unit_p):
    new_total_amount = amount_paid()
    new_total_fuel_consumed = (new_total_amount/unit_p)
    new_number_of_stops = round(560/(mlg*new_total_fuel_consumed))
    print("Distance covered in single stop: ", (mlg*new_total_fuel_consumed), "Kms")
    return new_number_of_stops
    #print("Total distance travelled: ", trip_dist, "kms", ", Total fuel consumed: ", total_fuel_consumed, "ltrs")
'''

# calculating number of stops
def number_of_stops():
    mlg = mileage()
    print("Mileage of the car is: ", mlg, "Kms/liter")
    basic_stops = round(560/mlg)
    choice = input("Are you planning to travel at the same cost of filling at every stop? Y/N: ")
    if choice == 'Y' or choice == 'y':
        print("Distance covered in single stop: ", mlg, "Kms")
        return basic_stops
    elif choice == 'N' or choice == 'n':
        new_total_amount = amount_paid()
        unit_price = fuel_unit_price()
        fuel_available_for_single_stop = new_total_amount/unit_price
        new_number_of_stops = round(560/(mlg*fuel_available_for_single_stop))
        print("Distance covered in single stop: ", (mlg*fuel_available_for_single_stop), "Kms")
        return new_number_of_stops
    else:
        print("Distance covered in single stop: ", mlg, "Kms")
        print("Input was not as expected therefore your minimum number of stops as per previous info are: ", basic_stops)
        return basic_stops
    
# main function
def main():
    stops_count = number_of_stops()
    print("Minimum number of stops required to reach from Bangalore to Goa: ", stops_count)
    
# main starts here
main()