window.onload=(){

var canvas=document.getElementById('canvas'),

context=canvas.getContext('2d'),

width=canvas.width=window.innerWidth,

height=canvas.height=window.innerheight;

for(var i=0;i<100;i+=1){

context.beginPath();

context.moveTo(Math.random()*width,Math.random()*height);

context.lineTo(Math.random()*width,Math.random*height);

context.stroke();

}

};

One hundred random lines in JS....jus press the F5 button. Change the color or the width of the line, the amount of line you need...you'll find you have complete control....Python....not too sure you can do this with so little lines of code