新增StatCalc文件夹，统计分析模块，初步框架搭建。

main.py

@@ -4,24 +4,25 @@ from scores.main import Scores_API
 from stu_jiuye.main import Shtudent_Jiuye
 from students.main import Students_API
 from Teachers.main import Teachers_API
+from StatCalc.main import StatCalc_API
 from databases import *
 app = FastAPI(title="学生管理系统")
 
 Base_all.metadata.create_all(bind=engine_all)
 
+
 app.include_router(Classes_API,tags=["classes"])
 app.include_router(Scores_API,tags=["scores"])
 app.include_router(Shtudent_Jiuye,tags=["Employments"])
 app.include_router(Students_API,tags=["students"])
 app.include_router(Teachers_API,tags=["teachers"])
-
-
-
-def main():
-    print("Hello from student-manage-system!")
+app.include_router(StatCalc_API,tags=["StatCalc"])
 
 
 if __name__ == "__main__":
+    def main():
+        print("Hello from student-manage-system!")
+
     import uvicorn
     uvicorn.run("main:app", host="0.0.0.0", port=59000)
     """