Update.
-rw-r--r-- 759 README.txt
-rwxr-xr-x 905 do_all.sh
-rwxr-xr-x 3186 expr.py
-rwxr-xr-x 2639 ffutils.py
-rwxr-xr-x 5171 graph.py
-rwxr-xr-x 8405 grid.py
-rwxr-xr-x 21353 main.py
-rwxr-xr-x 9442 maze.py
-rwxr-xr-x 10515 mygpt.py
-rwxr-xr-x 11522 picoclvr.py
-rwxr-xr-x 6702 problems.py
-rwxr-xr-x 5015 rpl.py
-rwxr-xr-x 4987 snake.py
-rwxr-xr-x 3617 stack.py
-rwxr-xr-x 57207 tasks.py
-rwxr-xr-x 13310 world.py