title: Insert list as singular value in postgresql
body: <p>I use sqlalchemy engine for insertion data in postgresql table. I won't to insert list in one row as if list be a string with many value.</p>
  
  <pre><code>query = text('INSERT INTO table (list_id, list_name) VALUES ({}, {}) RETURNING'.format(my_list,'list_name'))
  result_id = self.engine.execute(query)
  </code></pre>
  
  <p>when i tried execute my code I received error:</p>
  
  <pre><code>sqlalchemy.exc.ProgrammingError: (psycopg2.errors.SyntaxError) syntax error at or near "["
  LINE 1: ...INTO table (list_id, list_name) VALUES (['str1...                                                             ^
  
  [SQL: INSERT INTO table (list_id, list_name) VALUES (['str1', 'str1', 'str1'], 'list_name') RETURNING id]
  
  </code></pre>
  
  <p>I tried to represent my list as str(my list) but result was same. Also i try  str(['str1', 'str1', 'str1']).replace('[', '{').replace(']', '}')</p>
  
  <p>My table query: </p>
  
  <pre><code>CREATE TABLE api_services (
                    id SERIAL PRIMARY KEY,
                    list_id VARCHAR,
                    list_name VARCHAR(255) NOT NULL
                    );
  </code></pre>