diff --git a/buggy_script.py b/buggy_script.py
new file mode 100644
index 000000000..613dfa4c8
--- /dev/null
+++ b/buggy_script.py
@@ -0,0 +1,50 @@
+import time
+
+# 1. 逻辑/语法错误：函数定义缺少冒号，且缩进不规范
+def calculate_discount(price, discount)
+    final_price = price * (1 - discount)
+   return final_price  # 缩进错误
+
+# 2. 陷阱：使用可变对象（列表）作为默认参数
+def add_item_to_cart(item, cart=[]):
+    cart.append(item)
+    return cart
+
+class User:
+    # 3. 拼写错误：初始化方法写成了 _init_ 而不是 __init__21
+    def _init_(self, name, age):
+        self.name = name
+        self.age = age
+
+    def greet(self):
+        # 4. 类型错误：尝试将字符串和整数直接连接
+        print("Hello, I am " + self.name + " and I am " + self.age + " years old.")
+
+def main():
+    print("Welcome to the shop!")
+    
+    # 5. 逻辑错误：运算符误用 (^ 在 Python 中是异或，不是幂运算)
+    square_area = 10 ^ 2 
+    print(f"Area calculation check: {square_area}") 
+
+    # 6. 语法错误：在 if 条件中使用了赋值运算符 (=) 而不是比较运算符 (==)
+    user_input = "yes"
+    if user_input = "yes":
+        print("User agreed.")
+
+    # 7. 运行时错误：IndexError (索引越界)
+    items = ["Apple", "Banana", "Orange"]
+    for i in range(len(items) + 1):
+        print(f"Item {i}: {items[i]}")
+
+    # 8. 运行时错误：ZeroDivisionError (除以零)
+    count = 0
+    total = 100
+    average = total / count
+    print("Average: " + average)
+
+# 9. 拼写错误：name 变量拼写错误
+if __name__ == "__main__":
+
+    mian()
+