$6.$ The Remove Duplicates Method

TO DO:

$1.$ Write a method to remove consecutive duplicate characters from a String.

If two or more consecutive duplicate characters have different cases, then the first letter should be kept.

When you run this method, your output should look like this:

Testing the dedupeChars method

dedupeChars$("$a$")$ should be a $->$ a

dedupeChars$("$aa$")$ should be a $->$ a

dedupeChars$("$MiSsisSiPpi$")$ should be MiSisiPi $->$ MiSisiPi

dedupeChars$("$swimMmMming$")$ should be swiming $->$ swiming