From eed153a110048e5f8d7ac1b0476414b178953958 Mon Sep 17 00:00:00 2001
From: zhucgcc <709917984@qq.com>
Date: Thu, 26 Feb 2026 16:38:55 +0800
Subject: [PATCH] Add test.py for palindrome calculation

This script checks if a number is palindrome and finds palindromes in a given range.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 test.py | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 test.py

diff --git a/test.py b/test.py
new file mode 100644
index 0000000..653eb83
--- /dev/null
+++ b/test.py
@@ -0,0 +1,69 @@
+def is_palindrome(num):
+    """
+    判断一个整数是否是回文数
+
+    参数:
+        num (int): 要检查的整数
+
+    返回:
+        bool: 如果是回文数返回True，否则返回False
+    """
+    if num < 0:
+        return False
+    str_num = str(num)
+    return str_num == str_num[::-1]
+
+
+def find_palindromes_in_range(start, end):
+    """
+    查找指定范围内的所有回文数
+
+    参数:
+        start (int): 起始值（包含）
+        end (int): 结束值（包含）
+
+    返回:
+        list: 范围内的回文数列表
+    """
+    palindromes = []
+    for num in range(start, end + 1):
+        if is_palindrome(num):
+            palindromes.append(num)
+    return palindromes
+
+
+def main():
+    """主函数，演示回文数计算"""
+    print("回文数计算示例")
+    print("=" * 30)
+
+    # 测试一些数字
+    test_numbers = [121, 123, 12321, -121, 0, 1, 10, 11, 1221]
+
+    for num in test_numbers:
+        result = is_palindrome(num)
+        print(f"{num} 是回文数吗？{result}")
+
+    print("\n查找 1 到 200 之间的回文数:")
+    palindromes = find_palindromes_in_range(1, 200)
+    print(f"共找到 {len(palindromes)} 个回文数:")
+    print(palindromes)
+
+    # 用户输入示例
+    print("\n" + "=" * 30)
+    try:
+        user_input = input("请输入一个整数检查是否是回文数 (按Enter跳过): ")
+        if user_input.strip():
+            num = int(user_input)
+            if is_palindrome(num):
+                print(f"{num} 是回文数！")
+            else:
+                print(f"{num} 不是回文数。")
+    except ValueError:
+        print("输入无效，请输入一个整数。")
+    except EOFError:
+        pass  # 脚本运行而非交互时可能发生
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file