title: Join 2 conditions using & operator
body: <p>i have 2 queries in pandas and need to join them together.</p>
  <pre><code>b.loc[b['Speed']=='100.0']
  
  b.loc[b['Month']=='2022-01']
  </code></pre>
  <p>I need to join them using &amp; but getting error of unsupported operand type.</p>