added function to insert one translated content

code/database.py

@@ -171,6 +171,17 @@ def insert_list(username_list, timestamp_list, content_list):
             except Exception as e:
                 logging.warning(e)
 
+def insert_translated(val_dict):
+    assert 'id' in val_dict.keys()
+    assert 'content_en' in val_dict.keys()
+    with Data_table() as dt:
+        query = (
+            f'UPDATE {dt._name} ' 
+            ' SET content_en = (%(content_en)s) '
+            'WHERE id = (%(id)s) '
+        )
+        dt.execute(query, val_dict)
+
 def insert_translated_list(content_list, id_list):
     with Data_table() as dt:
         for id, content in zip(id_list, content_list):