View difference between Paste ID: xtQpCaPc and rfwwviny

 from Tkinter import *
 
-def butts(x,y):
+def butts(Bx1, By1, Bx2, By2, x, y, dotSize):
 	x-=1;y-=1
 	WINDOW_WIDTH = 800
 	WINDOW_HEIGHT = 600
 	def fxrange(min,max,delta=1):
 		r = min
 		while r <= max:
 			yield r
 			r += delta
 	def drawGrid(c, x1, y1, x2, y2, x, y):
 		"""Draws a complete grid (x by y) on Canvas c within the bounding box."""
 		# calculate the spacing between each line (vertical and horizontal)
 		sv = float((x2 - x1)) / float(x)
 		sh = float((y2 - y1)) / float(y)
 
 		# Draw the lines
 		for i in fxrange(x1, x2, sv):
 			c.create_line(i, y1, i, y2)
 		for i in fxrange(y1, y2, sh):
-	def drawDots(c, x1, y1, x2, y2, x, y, size=10):
+
 	def drawDots(c, x1, y1, x2, y2, x, y, size=dotSize):
 		"""Draws a complete grid (x by y) of dots on Canvas c within the bounding box."""
-		sx = float((x2 - x1)) / float(x)
+
-		sy = float((y2 - y1)) / float(y)
+		sx = float(x2 - x1) / float(x)
 		sy = float(y2 - y1) / float(y)
 
 		for tx in fxrange(x1, x2, sx):
 			for ty in fxrange(y1, y2, sy):
-				box_x1 = tx - (float(size) / 2)
+
-				box_y1 = ty - (float(size) / 2)
+				ts = float(size) / 2
-				box_x2 = tx + (float(size) / 2)
+				box_x1 = tx - ts
-				box_y2 = ty + (float(size) / 2)
+				box_y1 = ty - ts
 				box_x2 = tx + ts
 				box_y2 = ty + ts
-				c.create_oval(box_x1, box_y1, box_x2, box_y2)
+
 				# draw the circle
 				c.create_oval(box_x1, box_y1, box_x2, box_y2, fill="black")
 	master = Tk()
-	drawGrid(w, 15, 15, 200, 200, 4, 6)
+
-	drawDots(w, 15, 15, 200, 200, 4, 6)
+
 	drawGrid(w, Bx1, By1, Bx2, By2, x, y)
 	drawDots(w, Bx1, By1, Bx2, By2, x, y)
-butts(4,5)
+
 
 butts(10, 10, 600, 600, 50, 50, 7)