title: pandas: How to merge multiple dataframes with same column names on one column?
body: <p>I have N dataframes:</p>
  
  <pre><code>df1:
  time  data
  1.0   a1
  2.0   b1
  3.0   c1
  
  
  df2:
  time  data
  1.0   a2
  2.0   b2
  3.0   c2
  
  
  
  df3:
  time  data
  1.0   a3
  2.0   b3
  3.0   c3
  </code></pre>
  
  <p>I want to merge all of them on id, thus getting</p>
  
  <pre><code>time  data1    data2    data3
  1.0   a1       a2       a3
  2.0   b1       b2       b3
  3.0   c1       c2       c3
  </code></pre>
  
  <p>I can assure all the ids are the same in all dataframes.</p>
  
  <p>How can I do this in pandas?</p>