ip='192.168.105.8'
port=22
username='xyz'
password='abc'
ssh=paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(ip,port,username,password)
print ("SSH connection established")

stdin,stdout,stderr=ssh.exec_command('sudo fast.sh')
    outlines=stdout.readlines()
    outlines+=stderr.readlines()
    resp=''.join(outlines)
    print(resp)