code: def get_channels_in(self, guild_id: str) -> List[Dict[str, Any]]:
          
          return self._query(f'guilds/{guild_id}/channels', 'GET')
docs: Get a list of channels in the guild
  
          Args:
              guild_id: id of the guild to fetch channels from
  
          Returns:
              List of dictionary objects of channels in the guild. Note the different
              types of channels: text, voice, DM, group DM.
  
              https://discordapp.com/developers/docs/resources/channel#channel-object
  
              Example:
                  [
                      {
                          "id": "41771983423143937",
                          "guild_id": "41771983423143937",
                          "name": "general",
                          "type": 0,
                          "position": 6,
                          "permission_overwrites": [],
                          "topic": "24/7 chat about how to gank Mike #2",
                          "last_message_id": "155117677105512449"
                      },
                      {
                          "id": "155101607195836416",
                          "guild_id": "41771983423143937",
                          "name": "ROCKET CHEESE",
                          "type": 2,
                          "position": 5,
                          "permission_overwrites": [],
                          "bitrate": 64000,
                          "user_limit": 0
                      },
                      {
                          "last_message_id": "3343820033257021450",
                          "type": 1,
                          "id": "319674150115610528",
                          "recipients": [
                              {
                                  "username": "test",
                                  "discriminator": "9999",
                                  "id": "82198898841029460",
                                  "avatar": "33ecab261d4681afa4d85a04691c4a01"
                              }
                          ]
                      }
                  ]