From 64c44e7b756fece019c8fa1b4a534508cce51ee7 Mon Sep 17 00:00:00 2001
From: Albert Tan <s22505@ykpaoschool.cn>
Date: Thu, 13 Apr 2023 20:45:42 +0800
Subject: yes

---
 2048.py | 150 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 2048.py

diff --git a/2048.py b/2048.py
new file mode 100644
index 0000000..3de8fe2
--- /dev/null
+++ b/2048.py
@@ -0,0 +1,150 @@
+import random
+import time
+import sys
+
+arr = [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]
+
+
+def show():
+    out = "\n"
+    for i in arr:
+        for j in i:
+            out += str(j)
+            out += "\t"
+        out += "\n\n"
+    out += "----------------------------\n"
+    print(out)
+
+
+def generate():
+    empty = []
+    flag = 0
+    for i in range(4):
+        for j in range(4):
+            if arr[i][j] == 0:
+                empty.append([i, j])
+            elif arr[i][j] == 2048:
+                flag = 1
+    if flag:
+        return 2
+    elif len(empty) == 0:
+        return 1
+    else:
+        pos = random.choice(empty)
+        arr[pos[0]][pos[1]] = random.choice([2, 2, 4])
+        return 0
+            
+
+def moveleft():
+    for i in range(4): 
+        i2 = [0] + arr[i]
+        tmp = []
+        lastitem = 0
+        for j in range(1, 5):
+            if i2[j] != 0:  
+                if i2[j] != lastitem:
+                    tmp.append(i2[j])
+                    lastitem = i2[j]
+                else:
+                    tmp[-1] *= 2
+                    lastitem = 0
+        for k in range(4 - len(tmp)):
+            tmp.append(0)
+        arr[i] = tmp
+
+
+def moveright():
+    for i in range(4): 
+        i2 = arr[i] + [0]
+        tmp = []
+        lastitem = 0
+        for j in range(3, -1, -1):
+            if i2[j] != 0: 
+                if i2[j] != lastitem:
+                    tmp = [i2[j]] + tmp
+                    lastitem = i2[j]
+                else:
+                    tmp[0] *= 2
+                    lastitem = 0
+        for k in range(4 - len(tmp)):
+            tmp = [0] + tmp
+        arr[i] = tmp
+
+def moveup():
+    for i in range(4): 
+        i2 = []
+        tmp = []
+        lastitem = 0
+        for j in arr:
+            i2.append(j[i])
+        i2 = [0] + i2
+        for j in range(1, 5):
+            if i2[j] != 0:  
+                if i2[j] != lastitem:
+                    tmp.append(i2[j])
+                    lastitem = i2[j]
+                else:
+                    tmp[-1] *= 2
+                    lastitem = 0
+        for k in range(4 - len(tmp)):
+            tmp.append(0)
+        for j in range(4):
+            arr[j][i] = tmp[j]
+
+def movedown():
+    for i in range(4): 
+        i2 = []
+        tmp = []
+        lastitem = 0
+        for j in arr:
+            i2.append(j[i])
+        i2 = i2 + [0]
+        for j in range(3, -1, -1):
+            if i2[j] != 0:  
+                if i2[j] != lastitem:
+                    tmp = [i2[j]] + tmp
+                    lastitem = i2[j]
+                else:
+                    tmp[0] *= 2
+                    lastitem = 0
+        for k in range(4 - len(tmp)):
+            tmp = [0] + tmp
+        for j in range(4):
+            arr[j][i] = tmp[j]
+
+def move():
+    action = input("Action (W, A, S, D): ").lower()
+    if action == "w":
+        moveup()
+    elif action == "a":
+           moveleft()
+    elif action == "s":
+        movedown()
+    elif action == "d":
+        moveright()
+    else:
+        print("Invalid Input")
+        move()
+
+
+generate()
+show()
+sys.setrecursionlimit(1)
+
+while True:
+    try:
+        move()
+    except RecursionError:
+        print("Too much wrong attempts! You lost\n")
+        break
+    x = generate()
+    if x == 2:
+        show()
+        print("You Won\n")
+        break
+    elif x:
+        show()
+        print("You lost\n")
+        break
+    else:
+        show()
-- 
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