Question: ( 1 ) { w { a , b } * : every a in w is immediately preceded and followed by b } Testing

(1){w
{a, b}* : every a in w is immediately preceded and followed by b}
Testing strings:
, a, b, aa, ab, ba, bb, bab, aba, bbb, abab, baab, baba, babab
The accepted strings are:

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