fix windows launching error

prefs.json

@@ -1 +1,10 @@
-{"highscore": 0, "bgcolor": "dark green", "foodcolor": "navy", "foodshape": "square", "foodnum": 2, "mutesound": true, "headcolor": "white", "tailcolor": "blue"}
+{
+    "highscore": 0,
+    "bgcolor": "dark green",
+    "foodcolor": "navy",
+    "foodshape": "square",
+    "foodnum": 2,
+    "mutesound": true,
+    "headcolor": "white",
+    "tailcolor": "blue"
+}

turtlesnake.py

@@ -48,8 +48,7 @@
     noplaysound = True
 global high_score
 global mutesound
-with open(path.expanduser(
-        "~/Desktop/SnakeGame/prefs.json"), "r") as read_file:
+with open("prefs.json", "r") as read_file:
     prefs = json.load(read_file)
     high_score = prefs["highscore"]
     bgcolor = prefs["bgcolor"]
@@ -66,8 +65,7 @@
 score = 0
 APIon = False
 # opening files
-datadoc = open(path.expanduser(
-    "~/Desktop/SnakeGame/data.txt"), "a")
+datadoc = open("data.txt", "a")
 foodnum = int(foodnum)
 
 if foodnum == 2:
@@ -83,7 +81,7 @@
     print("Error: last highscore is not an integer.")
 
 wn = turtle.Screen()
-wn.title("Snake Game Project v1.13.0")
+wn.title("Snake Game Project DEVELOPMENT")
 wn.bgcolor(bgcolor)
 # the width and height can be put as user's choice
 wn.setup(width=600, height=600)
@@ -436,8 +434,7 @@ def exit():
     }
 
     if changedcolor == False:
-        with open(path.expanduser(
-                "~/Desktop/SnakeGame/prefs.json"), "w") as write_file:
+        with open("prefs.json", "w") as write_file:
             json.dump(prefs, write_file)
     else:
         quit()