cast_len = 0
characters_len = 0
episodes_len = 0

async {	
	{
		cast = download("https://api.sampleapis.com/futurama/cast")
		cast_len = length(from_json(cast))		
	}
	{
		characters = download("https://api.sampleapis.com/futurama/characters")	
		characters_len = length(from_json(characters))
	}
	{
		episodes = download("https://api.sampleapis.com/futurama/episodes")
		episodes_len = length(from_json(episodes))
	}
}

output ([cast_len, characters_len, episodes_len])