ADD file via upload

test.py

@@ -0,0 +1,47 @@
+class StudentManager:
+    def __init__(self):
+        self.students = {}  # 用字典存储学生信息
+
+    def add_student(self, name, gender, phone):
+        self.students[name] = {"gender": gender, "phone": phone}
+        print("添加成功"+str(self.students))
+
+    def delete_student(self, name):
+        if name in self.students:
+            del self.students[name]
+            print("删除成功")
+        else:
+            print("没有找到该学生")
+
+    def update_student(self, name, gender=None, phone=None):
+        if name in self.students:
+            if gender is not None:
+                self.students[name]["gender"] = gender
+            if phone is not None:
+                self.students[name]["phone"] = phone
+            print("修改成功"+name+gender+phone)
+        else:
+            print("没有找到该学生")
+
+    def search_student(self, name):
+        if name in self.students:
+            print(f"学生姓名：{name}，性别：{self.students[name]['gender']}, 电话：{self.students[name]['phone']}")
+        else:
+            print("没有找到该学生")
+
+    def show_all_students(self):
+        for name, info in self.students.items():
+            print(f"学生姓名：{name}，性别：{info['gender']}, 电话：{info['phone']}")
+
+    def save_students(self, filename):
+        with open(filename, 'w') as f:
+            for name, info in self.students.items():
+                f.write(f"姓名：{name}，性别：{info['gender']}, 电话：{info['phone']}\n")
+        print("学生信息已保存到文件")
+
+    def exit(self):
+        print("退出系统")
+        import sys
+        sys.exit()
+
+