cpsc2100 basic data type, coding problem 1.1 and 1.2

zoom recording

review basic data type, string. how to do screen-cast recording. 

socrative

* review basic data type (string)

* question on tutoring service

* video recording example

https://www.youtube.com/watch?v=Pz3kPxBHf4c&list=PLo62Vf9IYqhpCMMxyLkpL681V47p2fjiT&index=143

Breakout rooms:  

 coding problem 1.1 and 1.2 

TODO: For 1.2, s.count() does not work.