🐦 Improving Boids Code

[dpshelio]

Open the repository for this exercise. You will find a brief description of each example in its README.md file.

1. Discuss the code with your group. What problems do you see with it? Why?
2. Write below your comments mentioning your group number. For now, focus on the
   problems, and don't make any changes yet!

[JinyuGe1]

the normal distribution can be written as a function.
nested loop can be factored into a single iteration.
define a class for boids.
-------Group for boids