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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 @adi2004:

Unlock 4 remaining solutions by signing in and submitting your own entry
Created by: @maharba6

205 active golfers, 1298 entries

Solutions by @adi2004:
19
#58 - Adi / @adi2004

09/29/2024 at 08:15PM

20
#>64 - Adi / @adi2004

09/29/2024 at 08:12PM

22
#>77 - Adi / @adi2004

09/29/2024 at 08:07PM

25
#>104 - Adi / @adi2004

09/29/2024 at 07:49PM