Add capacity for writing todos to todomanager

codupoc/todomanager.py

@@ -14,7 +14,7 @@ class TodoManager:
         return path.exists(self.filename)
 
     def open_todo_file(self):
-        self.file = open(self.filename, "a")
+        self.file = open(self.filename, "w")
         return self.file
 
     def read_todos(self) -> list[Todo]:
@@ -28,3 +28,13 @@ class TodoManager:
 
     def close_todo_file(self):
         self.file.close()
+
+    def get_todos(self) -> list[Todo]:
+        if not self.does_todo_file_exist():
+            return []
+
+        return self.read_todos()
+
+    def write_todos(self, todos: list[Todo]):
+        for t in todos:
+            self.file.write(str(t) + "\n")