update code

generaterCardId.py

@@ -0,0 +1,28 @@
+import random
+
+def generateCardId(length):
+    """
+    生成指定长度的随机卡号
+    :param length: 卡号的长度
+    :return: 生成的随机卡号
+    """
+    if length <= 0:
+        raise ValueError("Length must be a positive integer.")
+
+    # 初始化卡号
+    card_id = ""
+    # 数字范围
+    numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
+
+    # 生成随机卡号
+    for _ in range(length):
+        random_number = random.choice(numbers)
+        card_id += str(random_number)
+
+    return card_id
+
+# 测试函数
+if __name__ == "__main__":
+    length = 18  # 指定卡号长度
+    card_id = generateCardId(length)
+    print(f"Generated Card ID: {card_id}")