Chapter 17 task 1
Signed-off-by: Zaytceva <your_email@example.comzaytcevaao@gmail.com>
Chapter 17 task 2
Signed-off-by: Zaytceva <your_email@example.comzaytcevaao@gmail.com>
Chapter 17 task 3

Signed-off-by: Zaytceva <your_email@example.comzaytcevaao@gmail.com>
Chapter 17 task 4
Signed-off-by: Zaytceva <your_email@example.comzaytcevaao@gmail.com>
Chapter 17 task 5
Signed-off-by: Zaytceva <your_email@example.comzaytcevaao@gmail.com>
Chapter 17 task 6
Signed-off-by: Zaytceva <your_email@example.comzaytcevaao@gmail.com>