Or
julia> a = "light"
"light"
julia> b = "switch"
"switch"
julia> c = a * "\n" * b
"light\nswitch"
julia> println(c)
light
switch
Or
julia> a = "light"
"light"
julia> b = "switch"
"switch"
julia> c = a * "\n" * b
"light\nswitch"
julia> println(c)
light
switch