title: Change a Pandas DataFrame with Integer Index
body: <p>I have converted a Python dict to pandas dataframe:</p>
  
  <pre><code>dict = {
           u'erterreherh': 
                    {
                      u'account': u'rgrgrgrg',
                      u'data': u'192.168.1.1', 
  
                    }, 
           u'hkghkghkghk': 
                   {
                     u'account': u'uououopuopuop', 
                     u'data': '192.168.1.170', 
                   }, 
          }
  
  df = pd.DataFrame.from_dict(dict, orient='index')
  
  
  
  account data
  aa      bbss
  zz      sssss
  vv      sss
  </code></pre>
  
  <p>"account" is index here. I want to dataframe like below, how can I do this?</p>
  
  <pre><code>    account data
     0   aa      bbss
     1   zz      sssss
     2   vv      ss
  </code></pre>