11 Optional Missions .py

from netmiko import ConnectHandler
from netmiko.ssh_exception import NetMikoTimeoutException
from netmiko.ssh_exception import AuthenticationException
from paramiko.ssh_exception import SSHException

host1 = {
    'device_type': 'cisco_ios',
    'ip': '10.4.0.1',
    'username': 'Admin',
    'password': 'NterOne1!',
}
host2 = {
    'device_type': 'cisco_ios',
    'ip': '10.4.1.2',
    'username': 'Admin',
    'password': 'NterOne1!',
}
host3 = {
    'device_type': 'cisco_ios',
    'ip': '10.4.3.3',
    'username': 'Admin',
    'password': 'NterOne1!',
}
net_connect=""
routers =[host1, host2, host3]
def auth ():
    while True:
        try:
            net_connect = ConnectHandler(**target)
            output = net_connect.send_command('show ip int brief')
            print(output)
            print ("-"*20)
            loopback11 = "11.4."+target['ip'].split('.')[2]+'.1'
            loopbackcmd = 'ip address '+ loopback11+ ' 255.255.255.0'
            config_commands = ['int loop 11', loopbackcmd]
            output = net_connect.send_config_set(config_commands)
            print(output)
            print ("-"*20)
            output = net_connect.send_command('show ip int brief')
            print(output)
            print ("="*80)
            net_connect.disconnect()
            break
        except (AuthenticationException):
            print ('\n' + "*"*80)
            print ('Authentication Failure: ' + str(target))
            print ("*"*80)
            target['username']=input('Please enter the username: ')
            target['password']=input('Please enter the password: ')
            continue
        except (NetMikoTimeoutException):
            print ('\n' + "*"*80)
            print ('Timeout to device: ' + str(target))
            print ("*"*80)
            target['ip']=input('Please enter the ip: ')
            continue
        except (SSHException):
            print ('\n' + "*"*80)
            print ('SSH might not be enabled: ' + str(target))
            print ("*"*80)
            continue
        except (EOFError):
            print ('\n' + "*"*80)
            print ('End of attempting device: ' + str(target))
            print ("*"*80)
            continue
        except:
            print ('Some other error: ' + str(target))


for target in routers:
    auth()