# Load the people from the data file for reading
f = open('people.dat', 'r')
# read in names, one per line
names = f.readlines()
# we're done with the file, close it
f.close()
# each name still has a newline, '\n' on the end of it, let's remove that
cleaned_names = []
for name in names:
    cleaned_names.append(name[:-1])
# now let's print out the names in alphabetical order
for name in sorted(cleaned_names):
    print(name)