​

function preload(){

  cities = loadTable('worldcities.csv','csv','header')

}

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  let rowNum= cities.getRowCount();

  let Lat= cities.getColumn('lat')

  let lng= cities.getColumn('lng')

  let population= cities.getColumn('population')

  for(i=0; i<rowNum; i++){

​

circle(lng,lat,10);

}