Exercise 2.31 from the book
Exercise 2.32 from the book
Exercise 2.33 from the book
Exercise 2.34 from the book
Exercise 2.35 from the book
Exercise 2.36 from the book
Exercise 2.37 from the book
Exercise 2.38 from the book
Exercise 2.39 from the book
Exercise 2.40 from the book
Exercise 2.41 from the book
Exercise 2.42 from the book
Exercise 2.43 from the book
Exercise 2.44 from the book
Exercise 2.45 from the book
Exercise 2.46 from the book
Exercise 2.47 from the book
Exercise 2.48 from the book
Exercise 2.49 from the book
\verb changed to \lstinline