Lytol

// Define a method that rounds pi to a specified decimal place
// Return Pi and how many iterations of the following formula that it took to accomplish
// pi = 4 * (1 – 1/3 + 1/5 – 1/7 + ...)

function* pi() {
  let n = 1;
  let series = 0;

  while(true) {
    next = 1/(n*2-1)