title: prepared statements using psycopg
body: <p>I'm a beginner at python. We use this code to execute SQL commands.</p>
  
  <pre><code>cur.execute("INSERT INTO test (num, data) VALUES (%s, %s)", (100, "abcdef"))
  </code></pre>
  
  <p>I wonder is this prepared statement or just a client side quoting?</p>