Your task is to write a function loneliest() which accepts a string and will return the character that has the most spaces to its right and left.

Examples

'a b c' => ['b']
'a bcs d k' => ['d']
' a b sc p t k' => ['p']
'a b c de' => ['b', 'c']
' a b c de ' => ['b']
'abc' => ['a', 'b', 'c']

Tests

loneliest('abc d ef g h i j ')
loneliest('abc')
loneliest(' abc d z f gk s ')

Good luck!

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