https://www.loom.com/share/36ef24d12cf14a31935f115977bd8e22 PAge 1 a nd example 1 from page 2
https://www.loom.com/share/6fd3ac10ee3c46fd9bec5751882c5177 practices on page 2 and 3
https://www.loom.com/share/35a75622416043428b3a5d1ed3c138ca homework !!