cisco-nexus(config)# username edwin password THISisWHERIAMtypingPWD<0x08>NG
% Invalid command at '^' marker.
cisco-nexus(config)#

username edwin password THISisWHERIAMtypingPWDNG

import paramiko
import time
import re

class ssh:
    def __init__(self, ip, user, pwd):
        self.ip = ip
        self.user = user
        self.pwd = pwd
    def device_conn(self):
        remote_con = paramiko.SSHClient()
        remote_con.set_missing_host_key_policy(paramiko.AutoAddPolicy())
        remote_con.connect(hostname=self.ip, username=self.user, password=self.pwd, look_for_keys=False, allow_agent=False)
        remote_ses = remote_con.invoke_shell()
        output = remote_ses.recv(1000)
        time.sleep(1)
        remote_ses.send("conf t"+"n")
        time.sleep(0.5)
        remote_ses.send("username edwin password THISisWHERIAMtypingPWDNG"+"n")
        time.sleep(0.5)
        output = remote_ses.recv(10000)
        print output


with open("device.txt","rb") as dev:
    for fw in dev:
        print fw.strip()
        ob = ssh(fw.strip(), "user", "pwd")
        output = ob.device_conn()