python-connect-to-ssh using paramiko

import paramiko # python paramika module 
import warnings # for catching warnings at runtime

k= paramiko.RSAKey.from_private_key_file(filename="file",password="")
c=paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy)
print("Connecting.....")
with warnings.catch_warnings():
    warnings.filterwarnings("ignore",'.*') # calling warnings module to ignore all type of warnings
    c.connect(hostname="",username='',pkey=k)
    print("Connected")
    commands=['uptime','ls -al'] # passing commands
    for command in commands:
        print("Executing {}".format(command))
        stdin,stdout,stderr=c.exec_command(command)
        print (stdout.read())
        print(stderr.read())
c.close()


NOTE: Convert private_Key_file(PPK) to OpenSSH(By using Puttygen) , for connecting to linux serrver from Windows