I do apologize to be late to upload the assignment 2.
In this case, I choose some problems which are suitable for you to solve them.
Odd ID student number: 2.7, 2,9, 2.12, 2.19
Even ID student number: 2.8, 2.10, 2.13, 2.18
I wish this assignment to be uploaded by the end day of Friday, 6 March 2015.