Modify snippet for javascript and python on Get countries api endpoint

[Alexterieur0]

[

• {
  'iso_alpha2': 'FR',
  'iso_alpha3': 'FRA',
  'accepted': True,
  'card_partner_accepted': False,
  'name_fr': 'France',
  'name_en': 'France',
  'name_es': 'Francia',
  'name_de': 'Frankreich',
  'name_it': 'Francia',
  'telephone_code': '33'
  }
  ]
  is the new response samples