text: import os
  from getpass import getpass
  
  if os.getenv("PYNET_PASSWORD"):
      password = os.getenv("PYNET_PASSWORD")
  else:
      password = getpass("Enter standard password: ")
  
  cisco3 = {
      "hostname": "cisco3.lasthop.io",
      "device_type": "ios",
      "username": "pyclass",
      "password": password,
      "optional_args": {},
  }
  
  cisco4 = {
      "hostname": "cisco4.lasthop.io",
      "device_type": "ios",
      "username": "pyclass",
      "password": password,
      "optional_args": {},
  }
  
  arista1 = {
      "hostname": "arista1.lasthop.io",
      "device_type": "eos",
      "username": "pyclass",
      "password": password,
      "optional_args": {},
  }
  
  arista2 = {
      "hostname": "arista2.lasthop.io",
      "device_type": "eos",
      "username": "pyclass",
      "password": password,
      "optional_args": {},
  }
  
  srx2 = {
      "hostname": "srx2.lasthop.io",
      "device_type": "junos",
      "username": "pyclass",
      "password": password,
      "optional_args": {},
  }
  
  nxos1 = {
      "hostname": "nxos1.lasthop.io",
      "device_type": "nxos",
      "username": "pyclass",
      "password": password,
      "optional_args": {"port": 8443},
  }
  
  nxos2 = {
      "hostname": "nxos2.lasthop.io",
      "device_type": "nxos",
      "username": "pyclass",
      "password": password,
      "optional_args": {"port": 8443},
  }
  
  device_list = [cisco3, cisco4, arista1, nxos1]
  