From 64892df51185f09d09ea977ffe9fb338c4b5ac98 Mon Sep 17 00:00:00 2001
From: 2509165016 <2509165016@student.edu.cn>
Date: Thu, 16 Apr 2026 15:29:50 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E6=88=90=E4=BD=9C=E4=B8=9A3-1-3?=
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---
 2509165016--1.py | 26 ++++++++++++++++++++++++++
 2509165016--2.py |  0
 2509165016--3.py |  0
 3 files changed, 26 insertions(+)
 create mode 100644 2509165016--1.py
 create mode 100644 2509165016--2.py
 create mode 100644 2509165016--3.py

diff --git a/2509165016--1.py b/2509165016--1.py
new file mode 100644
index 0000000..b7aaac2
--- /dev/null
+++ b/2509165016--1.py
@@ -0,0 +1,26 @@
+import numpy as np
+
+# 定义3x3灰度图像
+image = np.array([
+    [100, 150, 200],
+    [80, 120, 180],
+    [60, 90, 140]
+], dtype=np.uint8)
+
+print("原图：")
+print(image)
+
+# 1. 变暗20：每个像素值减20（需确保数值非负，uint8会自动截断，这里手动保证）
+image_dark = np.clip(image - 20, 0, 255)
+print("\n变暗20后：")
+print(image_dark)
+
+# 2. 裁剪左上角2x2区域
+image_crop = image[:2, :2]
+print("\n裁剪左上角2x2区域：")
+print(image_crop)
+
+# 3. 水平翻转
+image_flip = np.fliplr(image)
+print("\n水平翻转：")
+print(image_flip)
\ No newline at end of file
diff --git a/2509165016--2.py b/2509165016--2.py
new file mode 100644
index 0000000..e69de29
diff --git a/2509165016--3.py b/2509165016--3.py
new file mode 100644
index 0000000..e69de29