delete option problem

pages/provide_sentences_mongo.py

@@ -170,9 +170,11 @@ def modify_line():
         
         st.session_state['right_sentence'] = sentences[sentences['_id'] == number][sentences.columns.tolist()[2]].to_list()[0]
         
-        # for key in st.session_state:
+        for key in st.session_state:
             
-        #     del st.session_state[key]
+            del st.session_state[key]
+        
+        sentences.drop(index = sentences[sentences['_id'] == number].index, inplace=True)
         
         # add the document to update to the updated documents
         db_manager.update_document(number)