#How to add to a file using the read and flush method
#this is nice, but not "functional" enough.

def main():

    carlist = []

    with open('/home/isqsdac/Desktop/workspace/l3_1/carlist.txt', 'r') as f:
        for line in f: #iterate over each line in the file.
            carlist.append(line.rstrip())

    carval = input('Name a car:')

    while carval != "done":
        carlist.append(carval)
        carval = input('Name a car (or type done to end):  ')

    #let's save to a file
    with open('/home/isqsdac/Desktop/workspace/l3_1/carlist.txt', 'w') as f:
        for c in carlist:
            f.write(c)
            f.write('\n')

main()