print("Simple math test:")
print("Concatenation: " .. "hello " .. "world")
print("Numbers: " .. 5 .. " + " .. 3 .. " = " .. (5 + 3))

print("Simple Fibonacci approximation:")

print("Instead of recursive fibonacci, let's do simple calculations:")
for i = 1, 10 do
    print("Number:", i)
    print("Square:", i * i)
end

print("Done!")
