title: Easily check if table exists with python, sqlalchemy on an sql database
body: <p>Hello I am using sqlalchemy and pandas to process some data and then save everything to a table in an sql database. I am trying to find a quick easy and standardized way to check if a table exists in a database based on a table name.</p>
  <p>I have found the <code>has_table()</code> function but no working examples. Does anyone has something like  give &quot;engine connection&quot; &amp; &quot;table name&quot;-&gt; return true or false if table exists</p>