Make circles and skew the points for jagged loops

jagged-loops.js

const range = (start, end, length = end - start) =>
  Array.from({ length }, (_, i) => start + i);

const randomNumber = (min, max) => {  
    min = Math.ceil(min); 
    max = Math.floor(max); 
    return Math.floor(Math.random() * (max - min + 1)) + min; 
}  

const points_in_circle = (r, n) => {
  var result = [];
  for (let x of range(0, n)) {
    let a = Math.cos(((2 * Math.PI) / n) * x) * r;
    let b = Math.sin(((2 * Math.PI) / n) * x) * r;
    result.push([a, b]);
  }
  return result;
};
let pts = points_in_circle(5, 30);

pts.forEach( (value, index) => { 
  let n = randomNumber(8,12)
  let rise = pts[index][0]
  let run = pts[index][1]
  pts[index] = rise*(n*0.1), run*(n*0.1)
})

jagged-loops.py

import math
import matplotlib.pyplot as plt
import random

pi = math.pi

def points_in_circle(r, n=100):
	return [(math.cos(2*pi/n*x)*r, math.sin(2*pi/n*x)*r) for x in range(0, n+1)]

def slope_to_zero(rs,ru):
	return rs / ru

pts = points_in_circle(5,30)

for i, val in enumerate(pts):
	n = random.randrange(8,12)	
	rise, run = pts[i]
	pts[i] = rise*(n*0.1), run*(n*0.1)

x = [ x[0] for x in pts]
y = [ x[1] for x in pts]

plt.scatter(x,y)
plt.show()