Computes the fuel efficiency of a multi-leg journey

U08_Ex09_FuelEconomy1.py

# U08_Ex09_FuelEconomy1.py
#
#  Author: Bill Montana
#  Course: Coding for OOP
# Section: A3
#    Date: 23 Nov 2017
#     IDE: PyCharm Community Edition
#
# Assignment Info
#   Exercise: 9
#     Source: Python Programming
#    Chapter: 8
#
# Program Description
#   Computes the fuel efficiency of a multi-leg journey
#
# Algorithm (pseudocode)
#   introduce program
#   get the starting odometer reading
#   initialize total miles and total fuel consumed to zero
#   get the next odometer reading and fuel consumption, separated by a space
#   loop while entered text is not empty
#       split entered text into odometer reading and fuel consumption
#       print mpg for this leg (current - (start + total miles)) / fuel consumed
#       update total miles with current odometer reading - starting reading
#       update total fuel consumed
#       get the next odometer reading and fuel consumption, separated by a space
#   print mpg for entire trip (total miles / total fuel)


def main():
    # introduce program
    print('This program computes the fuel efficiency of a multi-leg journey.\n')

    # get the starting odometer reading
    odoStart = int(input('What is the starting odometer reading? '))

    # initialize total miles and total fuel consumed to zero
    milesTtl = 0; fuelTtl = 0

    # get the next odometer reading and fuel consumption, separated by a space
    odoFuel = input('\nEnter the odometer reading and fuel consumption for this leg of the trip, separated by a space: ')

    # loop while entered text is not empty
    while odoFuel != '' and len(odoFuel.split()) == 2:
        # split entered text into odometer reading and fuel consumption
        strList = odoFuel.split()
        odoNext = int(strList[0])
        fuelNext = int(strList[1])

        # print mpg for this leg (current - (start + total miles)) / fuel consumed
        print('Fuel efficiency for this leg: {:.1f}'.format((odoNext - (odoStart + milesTtl)) / fuelNext))

        # update total miles with current odometer reading - starting reading
        milesTtl = odoNext - odoStart

        # update total fuel consumed
        fuelTtl += fuelNext

        # get the next odometer reading and fuel consumption, separated by a space
        odoFuel = input('\nEnter the odometer reading and fuel consumption for this leg of the trip, separated by a space: ')

    # print mpg for entire trip (total miles / total fuel)
    if fuelTtl > 0:
        print('\nFuel efficiency for entire trip: {:.1f}\n'.format(milesTtl / fuelTtl))
    else:
        print('\nInsufficient data was entered.')

if __name__ == '__main__':
    main()