List with brackets

MIT App Inventor Help
1

This is my block and output, what kind of list have I ? how can I eliminate brackets ?

blocks
blocks1326×551 37.4 KB

2

You have a list lijke this:

[[1],[2],[3]]

you will need to flatten the list to remove the rounded brackets

3

Thank you, but I don't understand "flatten"

4

an example

image

2 Likes
5

Thanks, it runs well

6

This topic was automatically closed 7 days after the last reply. New replies are no longer allowed.