made changes in mouseclick function

Memory_game

@@ -1,49 +1,43 @@
-# Memory_game in codeskulpter
-
 import simplegui
 import random
 
-def create(card):
-    while len(card) != 8:
-        num = random.randrange(0 ,8)
-        if num not in card:
-            card.append(num)
-    return card
-card3 = []   
-card1 = []
-card2 = []
-po = []
-card1 = create(card1)
-card2 = create(card2)
-card1.extend(card2)
-random.shuffle(card1)
-print card1
-state = 0
-exposed = []
-for i in range(0,16,1):
-    exposed.insert(i, False)
-
+def new_game():
+    global card3, po, state, exposed, card1
+    def create(card):
+        while len(card) != 8:
+            num = random.randrange(0 ,8)
+            if num not in card:
+                card.append(num)
+        return card
+    card3 = []  
+    card1 = []
+    card2 = []
+    po = []
+    card1 = create(card1)
+    card2 = create(card2)
+    card1.extend(card2)
+    random.shuffle(card1)
+    state = 0
+    exposed = []
+    for i in range(0,16,1):
+        exposed.insert(i, False)
+
 def mouseclick(pos):
-    global state, card3, po
-    state += 1
+    global card3, po, state, exposed, card1
+    if state == 2:
+        if card3[0] != card3[1]:
+            exposed[po[0]] = False
+            exposed[po[1]] = False
+        card3 = [] 
+        state = 0
+        po = []
     ind = pos[0]//50
     card3.append(card1[ind])
     po.append(ind)
     if exposed[ind] == False and state < 2:
         exposed[ind] = True
-    elif exposed[ind] == False and state == 2:
-        exposed[ind] = True
-    if state == 3 and card3[0] == card3[1]:
-        card3 = []
-        po = []
-        state = 0
-    elif state == 3:
-        state = 0
-        for i in po:
-            exposed[i] = False
-        card3 = []
-        po = []
-
+        state += 1
+
 def draw(canvas):
     global card1
     gap = 0
@@ -55,8 +49,11 @@ def draw(canvas):
         gap += 50
 
 frame = simplegui.create_frame("Memory", 800, 100)
+frame.add_button("Reset", new_game)
+label = frame.add_label("Turns = 0")
 
 frame.set_mouseclick_handler(mouseclick)
 frame.set_draw_handler(draw)
 
+new_game()
 frame.start()