Create Programs to implement the below problems. The implementation language can be any language like Python, C++, Java, etc. . Design an automaton that accepts the following language on the alphabet...

Create Programs to implement the below problems. The implementation language can be any language like
Python, C++, Java, etc.

.
Design an automaton that accepts the following language on the alphabet ∑ ={a,b} .

 (1) All strings with exactly one b. (2) . All strings with atleast two a. (3). All strings except those which end with aab. Use a menu to select the choice (1 or 2 or 3).