Printing a grid in the output

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#1

I found someone making a grid that is shown below and I’m wondering how this is done. I’m guessing it is similar to making a 2d array.

:white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square:
:white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square:
:white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square:
:white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square:
:white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square:
:white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square:
:white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square:
:white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: :white_large_square: