import time
import switchlist as slist # returns 9 IP addresses
import telnetlib
username = 'admin'
password = 'password'
SwitchList = []

text = []
def telnetTo():
 try:
    for x in slist.AllSwitches:
       SwitchList.append(x[1])
    for x in SwitchList:
       tn = telnetlib.Telnet(x, timeout=5)
       tn.read_until('switch_')
       tn.write(username + "rn")
       if password:
             tn.read_until('Password: ')
             tn.write(password + 'rn')
             tn.write('enable rn')
             tn.write('show mac-address-table rn')
             tn.write('rn')
             tn.write('rn')
             time.sleep(2)
             tn.write('exit rn')
             tn.write('exit rn')
             my_text = tn.set_debuglevel(60000)
             my_text = tn.read_all()
             text.append(my_text)
             file = open('TelnetOutput', 'w')
             for x in text:
                file.write(x)
                file.write('END OF OUTPUT')
             file.close()
 except IOError:
     print(x + 'has timed out')
     pass
telnetTo()