* Added example Input/Output to challenge
Input/Output example will make it clear what the challenge is asking the camper to do.
* Formatting changes made to file
* Made minor changes in formatting
Added <code> tag to single line code.
* Formatting update
* Added requested formatting changes
* Refactored sentence and removed earlier example
* fix: removed all ​ from tests verbiage
* fix: added single quote to start text string
* remove single quote from text line
* fix: removed the hidden chars in the testStrings
* fix: removed hidden chars from testString section
* fix: removed hidden chars form testString part
* fix: removed hidden chars from testString part
* fix: removed hidden chars from testString part
A test that featured nested arrays just happens to work, but nested arrays will not be removed if they’re duplicates by the current solution of this challenge. See issue #18265