Version #1

Your programs reads two files, f1 and f2.  It should print all of the items
in f1 that are not in f2, and all items in f2 not in f1.

Your output should look just line the stuff below.

You must use two methos.

YOU MAY NOT USE THE SET FUNCTIONALITY OF PYTHON.


Example f1:
a
b
c
1
2
3
d

Example f2:
a
b
c
d
x
y
z

Output:
Add:['1', '2', '3'].
Delete:['x', 'y', 'z'].

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Version #2
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Print instructions to EDIT f1 into f2.  Allowable commands are
"Add line that says XXX"
"Delete Line"
"Change Line to say XXX"
"Lines match.  Move to next lines"

Example output (on different files than above):
Lines a and a are equal.
Lines b and b are equal.
Lines c and c are equal.
Insert line saying 1.
Insert line saying 2.
Insert line saying 3.
Lines d and d are equal.


Lines a and a are equal.
Lines b and b are equal.
Lines c and c are equal.
Insert line saying 1.
Insert line saying 2.
Insert line saying 3.
Lines d and d are equal.