title: Select rows if string begins with certain characters in pandas
body: <p>I have a csv file as the given picture bellow </p>
  
  <p><a href="https://i.stack.imgur.com/QhjQP.png" rel="noreferrer"><img src="https://i.stack.imgur.com/QhjQP.png" alt="enter image description here"></a></p>
  
  <p>I'm trying to find any word that will start with letter A and G or any list that I want </p>
  
  <p>but my code returns an error any Ideas what I'm doing wrong ? 
  this is my code</p>
  
  <pre><code>if len(sys.argv) == 1:
      print("please provide a CSV file to analys")
  else:
      fileinput = sys.argv[1]
  
  wdata = pd.read_csv(fileinput)
  
  
  print( list(filter(startswith("a","g"), wdata)) )
  
  </code></pre>