Task

Create a window and draw a pixel in it, subject to the following:

  the window is 320 x 240
  the color of the pixel must be red (255,0,0)
  the position of the pixel is x = 100, y = 100
package require Tcl 8.5
package require Tk
 
pack [canvas .c -width 320 -height 240 -bg #fff] -anchor nw
.c create rectangle 100 100 100 100 -fill #f00 -outline ""