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/*
Description:
Given a string, write a function that returns the string with a question mark (“?”) appends to the end, unless the original string ends with a question mark, in which case, returns the original string.
For example (Input –> Output)
“Yes” –> “Yes?”
“No?” –> “No?”
*/
function ensureQuestion(s) {
return /?$/.test(s) ? s : s+’?’
}
