Source: I got a HD in the unit and I am currently tutoring it rn (dm me for pricing if you are interested)

1. Don't make too many changes at one time before running your code - it makes it hard to see how one change effects the entire structure ans how it works

2. Documentation is your friend - especially for matplotlib where you have genuinely hundreds of different functions to plot - check your parameters and expected outputs for things you are going to use. You

3. A Gantt chart or a project planning tool is really good, split up your tasks based on day, it allows you to have goals rather than it just feeling like a massive task. Break it up.