from ftplib import FTP

server = '127.0.0.1'
port = '57422'

print 'FTP Client (' + server + ') port: ' + port

try:
    ftp = FTP()
    ftp.connect(server, port, 3)
    print 'Connected! Welcome msg is "' + ftp.getwelcome() + '"'

    ftp.cwd('\')

    x = '1'
    currentDir = ''

except: //***What do I put here?***

except Exception, e:  #you can specify type of Exception also
   print str(e)

except: ftplib.all_errors

except ftplib.all_errors:

except ftplib.all_errors, e:
  errorcode_string = str(e).split(None, 1)

import ftplib
  import socket <--

  server = '127.0.0.1'
  port = '57422'

  print 'FTP Client (' + server + ') port: ' + port

  ftp = ftplib.FTP()
  try:
    ftp.connect(server, port, 3)
    print 'Connected! Welcome msg is "' + ftp.getwelcome() + '"'

    ftp.cwd('\')

    x = '1'
    currentDir = ''
  except socket.error,e: <--
    print 'unable to connect!,%s'%e