title: Compare two data frames for different values in a column
body: <p>I have two dataframe, please tell me how I can compare them by operator name, if it matches, then add the values ​​of quantity and time to the first data frame.</p>
  
  <pre><code>In [2]: df1                              In [3]: df2
      Out[2]:                                  Out[3]:
         Name   count   time                      Name   count   time           
      0  Bob      123   4:12:10                 0 Rick       9   0:13:00
      1  Alice     99   1:01:12                 1 Jone       7   0:24:21
      2  Sergei    78   0:18:01                 2 Bob       10   0:15:13
      85 rows x 3 columns                       105 rows x 3 columns
  </code></pre>
  
  <p>I want to get:</p>
  
  <pre><code>In [5]: df1                              
      Out[5]:                                  
         Name   count   time                                 
      0  Bob      133   4:27:23                 
      1  Alice     99   1:01:12                
      2  Sergei    78   0:18:01                 
      85 rows x 3 columns
  </code></pre>