You can get a command block in your Minecraft Java or Bedrock world using cheats and a special chat command.

Players interested in automating their commands in Minecraft will have to use Command Blocks, but they’ll need to update their settings to add them into the game.

This awesome set of commands allow you to make entire villages, cities, and mountains in minecraft, only one command block needed!Commands - Paste these into your Minecraft Command Block!Villages ...