How to ask the user for a list as input

Answer 1

No other way than "build it". Either as Hatsy suggested - one input and a space as separator or through a loop. Just remember that anyhow all the input() functions will always return a string. So if you want to derive some numerical value from them, you have to convert them each time.

Answer 2

Take input as string and then split it to list using split(), I guess.