Please review assignment for Networking and Security in iOS Applications

Hi!
Could you help me by peer reviewing my assignment on Coursera?

My name is: Edgar Lopez

The subject of the assignment is: week 2, 3, 4 - Networking and Security in iOS Applications
week 2: https://www.coursera.org/learn/security/peer/sdAsR/02-instagram-network-api-app/review/8ka6yIn-Eeif7RKW5D9Wxg
week 3: https://www.coursera.org/learn/security/peer/kiUSO/03-push-notification-alarm/review/IuPgb43VEei8jhJz0yTAfA

Thanks!