diff --git a/Smart transportation/.keep b/Smart transportation/.keep
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/practical-training b/practical-training
new file mode 160000
index 0000000000000000000000000000000000000000..68c8e2ccc72a99053d3e8043f2afcb592fe01bcf
--- /dev/null
+++ b/practical-training
@@ -0,0 +1 @@
+Subproject commit 68c8e2ccc72a99053d3e8043f2afcb592fe01bcf
diff --git a/xiangmu1/gzh.md b/xiangmu1/gzh.md
new file mode 100644
index 0000000000000000000000000000000000000000..16ea4229572218ed2209758ee5cb8cf61a6d6c79
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+++ b/xiangmu1/gzh.md
@@ -0,0 +1,41 @@
+import random
+
+def generate_random_list(length, min_value, max_value):
+    """
+    生成一个指定长度的随机整数列表，整数范围在min_value和max_value之间。
+    :param length: 列表长度
+    :param min_value: 最小值
+    :param max_value: 最大值
+    :return: 随机整数列表
+    """
+    random_list = []
+    for _ in range(length):
+        random_list.append(random.randint(min_value, max_value))
+    return random_list
+
+def find_largest_sum_subarray(arr):
+    """
+    寻找数组中连续子数组的最大和。
+    :param arr: 输入数组
+    :return: 最大子数组和
+    """
+    max_sum = float('-inf')
+    current_sum = 0
+
+    for num in arr:
+        current_sum += num
+        if current_sum > max_sum:
+            max_sum = current_sum
+        if current_sum < 0:
+            current_sum = 0
+
+    return max_sum
+
+if __name__ == "__main__":
+    length = 10
+    min_value = -50
+    max_value = 50
+    random_list = generate_random_list(length, min_value, max_value)
+    print("随机生成的列表：", random_list)
+    max_sum = find_largest_sum_subarray(random_list)
+    print("最大子数组和：", max_sum)
diff --git a/xiangmu1/hello.doc b/xiangmu1/hello.doc
index 3ae28135e5cb764875854ef8248460dc19ba1bf3..42b3b9e50e0fb9d640b9b153474db43f1eec1d5b 100644
Binary files a/xiangmu1/hello.doc and b/xiangmu1/hello.doc differ
diff --git a/xiangmu1/qyt.md b/xiangmu1/qyt.md
new file mode 100644
index 0000000000000000000000000000000000000000..f948860962ed7c19c28949c742e85cb054ff764a
--- /dev/null
+++ b/xiangmu1/qyt.md
@@ -0,0 +1,4 @@
+def hello_world():
+    print("Hello, World!")
+
+hello_world()
diff --git "a/xiangmu1/\346\226\260\345\273\272 DOCX \346\226\207\346\241\243.docx" "b/xiangmu1/\346\226\260\345\273\272 DOCX \346\226\207\346\241\243.docx"
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index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391