Question: (Please answer both parts of each question) 1. Write down a BNF grammar and State Diagram for US phone numbers that uses the star (*)

(Please answer both parts of each question)

1. Write down a BNF grammar and State Diagram for US phone numbers that uses the star (*) after the area code instead of parentheses around it.

2. Write down a BNF grammar and State Diagram for US phone number written in the international style.

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