Let be $ \Sigma=\{0,1\}$ and $ L$ $ =$ $ \{u \in \Sigma^* :$ $ odd\ number\ of\ 0’s\ and\ odd\ number\ of\ 1’s\}$ . How Can I build a regular expression or an automata for this languaje? I have no idea, and I gess $ L$ is not regular, but I vane’t been ableRead more