Help!

Hi Friend,

After learning about breadth-first-search, I decided to give depth-first-search a try. I'm pretty sure I've almost got it working, but I can't figure out the last few bugs. Can you help? I've got the following issues. I'm not sure if the order here matters, you might have to fix them in a different order than they are listed. I think these are all problems with graph.py.

1. Nothing seems to connect, my edges aren't showing up.
2. All the vertexes are the same color. They're supposed to be different colors if they're not connected, and right now none of them are.
3. Sometimes I do something and when I run python graph_demo.py it just takes forever, even though my draw.py and graph_demo.py are totally just the same as from class.
4. I wanted to let it find a target vertex, but even back when it did kinda run this part didn't really work.
5. My editor sure is complaining a lot about something called "lint."
6. I keep losing track of my variables, I guess I should name them better?

I also tried to do it with recursion instead of a stack, in graph_rec, but I got even more stuck. It was running forever so I tried adding a thing to keep track of vertices, and now I just get an error message. Please try to fix this too if you can, or at least give me some pointers on what I should be doing.

I'm still trying to learn this stuff, so please don't just fix the code for me. Let me know in the Answers.md file where my bugs are and what you did to fix them, so I can have an easier time watching out for them next time. Oh and don't forget to pipenv install and pipenv shell!

If you get all this figured out, it'd be great if you could also help try to improve the randomize() in BokehGraph so I can draw vertices that don't overlap (i.e. stretch goal).

Thanks!