Replace backticks with repr() or "%r"

From SF patch #852334.

Demo/tkinter/guido/mbox.py

@@ -253,7 +253,7 @@ def refile_message(e=None):
 def fixfocus(near, itop):
 	n = scanbox.size()
 	for i in range(n):
-		line = scanbox.get(`i`)
+		line = scanbox.get(repr(i))
 		if scanparser.match(line) >= 0:
 			num = string.atoi(scanparser.group(1))
 			if num >= near:

Demo/tkinter/guido/solitaire.py

@@ -183,7 +183,7 @@ class Card:
 
     def __repr__(self):
 	"""Return a string for debug print statements."""
-	return "Card(%s, %s)" % (`self.suit`, `self.value`)
+	return "Card(%r, %r)" % (self.suit, self.value)
 
     def moveto(self, x, y):
 	"""Move the card to absolute position (x, y)."""

Demo/tkinter/matt/animation-w-velocity-ctrl.py

@@ -28,7 +28,7 @@ class Test(Frame):
     def moveThing(self, *args):
 	velocity = self.speed.get()
 	str = float(velocity) / 1000.0
-	str = `str` + "i"
+	str = "%ri" % (str,)
 	self.draw.move("thing",  str, str)
 	self.after(10, self.moveThing)
 

Demo/tkinter/matt/pong-demo-1.py

@@ -39,7 +39,7 @@ class Pong(Frame):
 	self.x = self.x + deltax
 	self.y = self.y + deltay
 
-	self.draw.move(self.ball,  `deltax` + "i", `deltay` + "i")
+	self.draw.move(self.ball,  "%ri" % deltax, "%ri" % deltay)
 	self.after(10, self.moveBall)
 
     def __init__(self, master=None):