Cual es la salida adecuada?

Question

https://code.sololearn.com/cfhKsCw5lZyY/?ref=app

Answer 1

you're not returning anything from the function and what is it you want to append to 'y'

Answer 2

while the code looks interesting with 4 arrays 3 to append to y I think - this doesn't look like it will work...

but your question is unclear .... can you explain further as to what you are trying to do ?

Answer 3

Una posible opción es :
...
return i+ y...
es posible tener otras opciones?
para salidas razonables. Gracias por las sugerencias recibidas.!!