jeje poco a poco rumbo al exito
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var pantalla = document.querySelector("canvas");
var pincel = pantalla.getContext("2d");
pincel.fillStyle = "lightgrey"
pincel.fillRect (0,0,600,400);
pincel.fillStyle = "darkgreen"
pincel.fillRect (100,50,350,300);
pincel.fillStyle = "black"
pincel.fillRect (150,95,90,90);
pincel.fillStyle = "black"
pincel.fillRect (310,95,90,90);
pincel.fillStyle = "black"
pincel.fillRect (240,180,70,100);
pincel.fillStyle = "black"
pincel.fillRect (200,240,40,110);
pincel.fillStyle = "black"
pincel.fillRect (310,240,40,110);
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