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Rearrange array to single level

The goal is to flatten the array into a single list and remove any empty elements.

Start file
[
    []  ,
    [''],
    ['0', '1', '2'],
    ['3', '4', '5'],
    ['6', '7'],
    ['8', '9'],
    ['']
]
End file
['', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '']

View Diff

1,9c1
< [
<     []  ,
<     [''],
<     ['0', '1', '2'],
<     ['3', '4', '5'],
<     ['6', '7'],
<     ['8', '9'],
<     ['']
< ]
---
> ['', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '']

Solutions by @_AlexLewin:

Unlock 9 remaining solutions by signing in and submitting your own entry
Created by: @maharba6

164 active golfers, 965 entries

Solutions by @_AlexLewin:
16
#7 - Alex Lewin / @_AlexLewin

07/23/2024 at 09:49PM

16
#>20 - Alex Lewin / @_AlexLewin

08/29/2024 at 09:35PM

16
#>20 - Alex Lewin / @_AlexLewin

08/29/2024 at 09:37PM

19
#>31 - Alex Lewin / @_AlexLewin

07/23/2024 at 09:48PM

21
#>49 - Alex Lewin / @_AlexLewin

07/23/2024 at 09:48PM

24
#>64 - Alex Lewin / @_AlexLewin

07/23/2024 at 09:47PM

28
#>87 - Alex Lewin / @_AlexLewin

07/23/2024 at 09:46PM

30
#>96 - Alex Lewin / @_AlexLewin

07/23/2024 at 09:44PM

38
#>127 - Alex Lewin / @_AlexLewin

07/23/2024 at 09:43PM