title: matching data in two excel sheets, and storing the data got matched
body: <p>Lets suppose I have two excel sheets. named <em>fruits</em> and <em>fruitsDetail</em>.</p>
  
  <pre><code> fruits.xlsx                                          fruitsDetail.xlsx
  **Name**                                        **Name  height  weight** circumference
  apple                                       apple    25cm  50g      10cm
  banana                                      apple    35cm  60g      10cm
  orange                                      banana    15cm  20g     7cm
                                              banana    24cm   66g    6cm
  ....                                        orange    45cm  60g     20cm
                                              orange    36cm  76g     20cm
                                              orange    88cm  100g    30cm
                                                        .......
  </code></pre>
  
  <p>I have been using <em>jupyter notebook and using pandas</em></p>
  
  <pre><code>import pandas as pd
  df = pd.read_excel(open(r'C:\Users\fruits.xlsx','rb'))
  mf = pd.read_excel(open(r'C:\Users\fruitsDetail.xlsx','rb'))
  </code></pre>
  
  <p>Now i want to save the data by circumference...
   output follows as below in separate excel sheet </p>
  
  <pre><code>name    circumference     weight
  apple   10cm              50g,60g
  banana  7cm                20g
  banana  6cm                66g
  orange  20cm               60g,76g
  orange   30cm              100g
  </code></pre>