title: Python DataFrame : Remove rows based on condition?
body: <p>I have a df with two columns <code>name</code> and <code>score</code>. I'm trying to keep only the rows for each user where score &gt; 1 starts.</p>
  <pre><code>    df
  
              name       score     
      0       bruno        0         
      1       bruno        0         
      2       bruno        15        
      3       bruno        0        
      4       paul         0         
      5       paul         0          
      6       paul         25
      7       paul         0
      8       paul         10
      9       marcus        5
      10      mason         0
  </code></pre>
  <p>final df</p>
  <pre><code>            name       score            
      2       bruno        15        
      3       bruno        0                 
      6       paul         25
      7       paul         0
      8       paul         10
      9       marcus        5 
  </code></pre>