title: How to add new row in csv using Python panda
body: <p>Hello this is my <code>csv</code> data</p>
  <pre><code>        Age      Name
  0       22  George
  1       33  lucas
  2       22  Nick
  3       12  Leo
  4       32 Adriano
  5       53  Bram
  6       11  David
  7       32  Andrei
  8       22 Sergio
  </code></pre>
  <p>i want to use <code>if else statement</code> , for example if George is  adult create new row and insert <code>+</code>
  i mean</p>
  <pre><code>Age      Name       Adul
  22       George    +
  </code></pre>
  <p>What is best way?</p>
  <p>This is my code Which i am using to read data from csv</p>
  <pre><code>import pandas as pd
  produtos = pd.read_csv('User.csv', nrows=9)
  print(produtos)
  for i, produto in produtos.iterrows():
      print(i,produto['Age'],produto['Name'])
  </code></pre>