diff --git a/get_points.py b/get_points.py
index a825d44..574c41c 100644
--- a/get_points.py
+++ b/get_points.py
@@ -18,27 +18,27 @@ def run(im, multi=False):
 
     def callback(event, x, y, flags, param):
         if event == cv2.EVENT_LBUTTONDOWN:
-	    if multi == False and len(pts_2) == 1:
-		print "WARN: Cannot select another object in SINGLE OBJECT TRACKING MODE."
-		print "Delete the previously selected object using key `d` to mark a new location."
-		return
+            if multi == False and len(pts_2) == 1:
+                print("WARN: Cannot select another object in SINGLE OBJECT TRACKING MODE.")
+                print("Delete the previously selected object using key `d` to mark a new location.")
+                return
             run.mouse_down = True
             pts_1.append((x, y))
         elif event == cv2.EVENT_LBUTTONUP and run.mouse_down == True:
             run.mouse_down = False
             pts_2.append((x, y))
-            print "Object selected at [{}, {}]".format(pts_1[-1], pts_2[-1])
+            print("Object selected at [{}, {}]".format(pts_1[-1], pts_2[-1]))
         elif event == cv2.EVENT_MOUSEMOVE and run.mouse_down == True:
             im_draw = im.copy()
             cv2.rectangle(im_draw, pts_1[-1], (x, y), (255,255,255), 3)
             cv2.imshow(window_name, im_draw)
 
-    print "Press and release mouse around the object to be tracked. \n You can also select multiple objects."
+    print("Press and release mouse around the object to be tracked. \n You can also select multiple objects.")
     cv2.setMouseCallback(window_name, callback)
 
-    print "Press key `p` to continue with the selected points."
-    print "Press key `d` to discard the last object selected."
-    print "Press key `q` to quit the program."
+    print("Press key `p` to continue with the selected points.")
+    print("Press key `d` to discard the last object selected.")
+    print("Press key `q` to quit the program.")
 
     while True:
         # Draw the rectangular boxes on the image
@@ -49,7 +49,7 @@ def callback(event, x, y, flags, param):
         # Display the cropped images
         cv2.namedWindow(window_name_2, cv2.WINDOW_NORMAL)
         cv2.imshow(window_name_2, im_disp)
-        key = cv2.waitKey(30)
+        key = (0xFF & cv2.waitKey(30))
         if key == ord('p'):
             # Press key `s` to return the selected points
             cv2.destroyAllWindows()
@@ -58,17 +58,17 @@ def callback(event, x, y, flags, param):
             return corrected_point
         elif key == ord('q'):
             # Press key `q` to quit the program
-            print "Quitting without saving."
+            print("Quitting without saving.")
             exit()
         elif key == ord('d'):
             # Press ket `d` to delete the last rectangular region
             if run.mouse_down == False and pts_1:
-                print "Object deleted at  [{}, {}]".format(pts_1[-1], pts_2[-1])
+                print("Object deleted at  [{}, {}]".format(pts_1[-1], pts_2[-1]))
                 pts_1.pop()
                 pts_2.pop()
                 im_disp = im.copy()
             else:
-                print "No object to delete."
+                print("No object to delete.")
     cv2.destroyAllWindows()
     point= [(tl + br) for tl, br in zip(pts_1, pts_2)]
     corrected_point=check_point(point)
@@ -105,7 +105,7 @@ def check_point(points):
     try:
         im = cv2.imread(args["imagepath"])
     except:
-        print "Cannot read image and exiting."
+        print("Cannot read image and exiting.")
         exit()
     points = run(im)
-    print "Rectangular Regions Selected are -> ", points
+    print("Rectangular Regions Selected are -> ", points)
\ No newline at end of file
diff --git a/object-tracker-multiple.py b/object-tracker-multiple.py
index f86bd03..9cd0e9c 100644
--- a/object-tracker-multiple.py
+++ b/object-tracker-multiple.py
@@ -10,17 +10,17 @@ def run(source=0, dispLoc=False):
 
     # If Camera Device is not opened, exit the program
     if not cam.isOpened():
-        print "Video device or file couldn't be opened"
+        print("Video device or file couldn't be opened")
         exit()
     
-    print "Press key `p` to pause the video to start tracking"
+    print("Press key `p` to pause the video to start tracking")
     while True:
         # Retrieve an image and Display it.
         retval, img = cam.read()
         if not retval:
-            print "Cannot capture frame device"
+            print("Cannot capture frame device")
             exit()
-        if(cv2.waitKey(10)==ord('p')):
+        if(0xFF & cv2.waitKey(10))==ord('p'):
             break
         cv2.namedWindow("Image", cv2.WINDOW_NORMAL)
         cv2.imshow("Image", img)
@@ -31,7 +31,7 @@ def run(source=0, dispLoc=False):
     points = get_points.run(img, multi=True) 
 
     if not points:
-        print "ERROR: No object to be tracked."
+        print("ERROR: No object to be tracked.")
         exit()
 
     cv2.namedWindow("Image", cv2.WINDOW_NORMAL)
@@ -39,7 +39,7 @@ def run(source=0, dispLoc=False):
 
     # Initial co-ordinates of the object to be tracked 
     # Create the tracker object
-    tracker = [dlib.correlation_tracker() for _ in xrange(len(points))]
+    tracker = [dlib.correlation_tracker() for _ in range(len(points))]
     # Provide the tracker the initial position of the object
     [tracker[i].start_track(img, dlib.rectangle(*rect)) for i, rect in enumerate(points)]
 
@@ -47,10 +47,10 @@ def run(source=0, dispLoc=False):
         # Read frame from device or file
         retval, img = cam.read()
         if not retval:
-            print "Cannot capture frame device | CODE TERMINATION :( "
+            print("Cannot capture frame device | CODE TERMINATION :( ")
             exit()
         # Update the tracker  
-        for i in xrange(len(tracker)):
+        for i in range(len(tracker)):
             tracker[i].update(img)
             # Get the position of th object, draw a 
             # bounding box around it and display it.
@@ -58,15 +58,15 @@ def run(source=0, dispLoc=False):
             pt1 = (int(rect.left()), int(rect.top()))
             pt2 = (int(rect.right()), int(rect.bottom()))
             cv2.rectangle(img, pt1, pt2, (255, 255, 255), 3)
-            print "Object {} tracked at [{}, {}] \r".format(i, pt1, pt2),
+            print("Object {} tracked at [{}, {}] \r".format(i, pt1, pt2), end=' ')
             if dispLoc:
                 loc = (int(rect.left()), int(rect.top()-20))
-	        txt = "Object tracked at [{}, {}]".format(pt1, pt2)
-	        cv2.putText(img, txt, loc , cv2.FONT_HERSHEY_SIMPLEX, .5, (255,255,255), 1)
+                txt = "Object tracked at [{}, {}]".format(pt1, pt2)
+                cv2.putText(img, txt, loc , cv2.FONT_HERSHEY_SIMPLEX, .5, (255,255,255), 1)
         cv2.namedWindow("Image", cv2.WINDOW_NORMAL)
         cv2.imshow("Image", img)
         # Continue until the user presses ESC key
-        if cv2.waitKey(1) == 27:
+        if (0xFF & cv2.waitKey(1)) == 27:
             break
 
     # Relase the VideoCapture object
@@ -86,4 +86,4 @@ def run(source=0, dispLoc=False):
         source = args["videoFile"]
     else:
         source = int(args["deviceID"])
-    run(source, args["dispLoc"])
+    run(source, args["dispLoc"])
\ No newline at end of file
diff --git a/object-tracker-single.py b/object-tracker-single.py
index c29d7aa..728b933 100644
--- a/object-tracker-single.py
+++ b/object-tracker-single.py
@@ -10,17 +10,17 @@ def run(source=0, dispLoc=False):
 
     # If Camera Device is not opened, exit the program
     if not cam.isOpened():
-        print "Video device or file couldn't be opened"
+        print("Video device or file couldn't be opened")
         exit()
     
-    print "Press key `p` to pause the video to start tracking"
+    print("Press key `p` to pause the video to start tracking")
     while True:
         # Retrieve an image and Display it.
         retval, img = cam.read()
         if not retval:
-            print "Cannot capture frame device"
+            print("Cannot capture frame device")
             exit()
-        if(cv2.waitKey(10)==ord('p')):
+        if(0xFF & cv2.waitKey(10))==ord('p'):
             break
         cv2.namedWindow("Image", cv2.WINDOW_NORMAL)
         cv2.imshow("Image", img)
@@ -31,7 +31,7 @@ def run(source=0, dispLoc=False):
     points = get_points.run(img) 
 
     if not points:
-        print "ERROR: No object to be tracked."
+        print("ERROR: No object to be tracked.")
         exit()
     
     cv2.namedWindow("Image", cv2.WINDOW_NORMAL)
@@ -47,7 +47,7 @@ def run(source=0, dispLoc=False):
         # Read frame from device or file
         retval, img = cam.read()
         if not retval:
-            print "Cannot capture frame device | CODE TERMINATING :("
+            print("Cannot capture frame device | CODE TERMINATING :(")
             exit()
         # Update the tracker  
         tracker.update(img)
@@ -57,7 +57,7 @@ def run(source=0, dispLoc=False):
         pt1 = (int(rect.left()), int(rect.top()))
         pt2 = (int(rect.right()), int(rect.bottom()))
         cv2.rectangle(img, pt1, pt2, (255, 255, 255), 3)
-        print "Object tracked at [{}, {}] \r".format(pt1, pt2),
+        print("Object tracked at [{}, {}] \r".format(pt1, pt2), end=' ')
         if dispLoc:
             loc = (int(rect.left()), int(rect.top()-20))
             txt = "Object tracked at [{}, {}]".format(pt1, pt2)
@@ -65,7 +65,7 @@ def run(source=0, dispLoc=False):
         cv2.namedWindow("Image", cv2.WINDOW_NORMAL)
         cv2.imshow("Image", img)
         # Continue until the user presses ESC key
-        if cv2.waitKey(1) == 27:
+        if (0xFF & cv2.waitKey(1)) == 27:
             break
 
     # Relase the VideoCapture object
@@ -85,4 +85,4 @@ def run(source=0, dispLoc=False):
         source = args["videoFile"]
     else:
         source = int(args["deviceID"])
-    run(source, args["dispLoc"])
+    run(source, args["dispLoc"])
\ No newline at end of file