Luathon

Luathon is an unimplemented Esolang that is Lua and Python mixed together. Programs from both work.

Hello World

print("Hello world")

Fun fact: This is the form in both Python and Lua!

Cat

Python

print(input())

Lua

print(io.read())

amo gus

a = io.read()
if a == "amo":
    print("gus")
elif g = "gus" do
    print("amo")
else:
    print("")
end