[Python] FTP Manager

#!usr/bin/python
#FTP Manager 0.2 (C) Doddy Hackman 20111

from ftplib import FTP
import sys


def head():
 print "\n -- == FTP Manger == --\n\n"

def copyright():
 print "\n\n(C) Doddy Hackman 2011\n"
 sys.exit(1)

def show():
 print "\nSintax : "+sys.argv[0]+" <host> <user> <pass>\n"

def menu():
 print "\n"
 print "1 : dir"
 print "2 : cwd"
 print "3 : chdir"
 print "4 : delete dir"
 print "5 : delete file"
 print "6 : rename file"
 print "7 : make directory"
 print "8 : size"
 print "9 : abort\n\n"
 op = input("[Option] : ")
 return op


def enter(host,user,password):	
 print "[+] Connecting to ",host,"\n"
 enter = FTP(host,user,password)
 print "\n[+] Enter in the system\n"

 def menu2():
  op = menu()
  if op == 1:
   try:
    lista = enter.dir()
    for a in lista:
     print a
    menu2()
   except:
    menu2()
  elif op == 2:
   try:
    print "\n\n[+] Path : "+enter.pwd()+"\n\n"
    menu2() 
   except:
    menu2()
  elif op == 3:
   try:
    dir = raw_input("\n\n[Directory] : ")
    enter.cwd(dir)
    print "\n\n[+] Directory Changed\n\n"
    menu2()
   except:
    menu2()
  elif op == 4:
   try:
    dir = raw_input("\n\n[Directory] : ")
    enter.rmd(dir)
    print "\n\n[+] Directory Deleted\n\n"
    menu2()
   except:
    menu2()
  elif op == 5:
   try:
    file = raw_input("\n\n[File] : ")
    enter.delete(file)
    print "\n\n[+] File Deleted\n\n"
    menu2()
   except:
    menu2()
  elif op == 6:
   try:
    oldfile = raw_input("\n\n[Name] : ")
    newfile = raw_input("\n[New Name] : ")
    enter.rename(oldfile,newfile) 
    print "\n\n[+] Name Changed\n\n"
    menu2()
   except:
    menu2()
  elif op == 7:
   try:
    dir = raw_input("\n\n[New Directory] : ")
    enter.mkd(dir)
    print "\n\n[+] Directory Created\n\n"
    menu2()
   except:
    menu2()
  elif op == 8:
   try:
    file = raw_input("\n\n[File] : ")
    peso = enter.size(file)
    print "\n\n[+] ",peso," KB \n\n"
    menu2()
   except:
    menu2()
  elif op == 9:
   enter.quit()
   copyright()
  
  else:
   menu2()      
 menu2()



head()

if len(sys.argv) != 4:
 show()
else:
 enter(sys.argv[1],sys.argv[2],sys.argv[3])

copyright()