Table of Contents:
00:00 - Introduction
00:15 - The most basic code
00:53 - variables
01:03 - Changing existing code while its running
03:03 - Inferring a Data type
04:15 - numeric datat types
05:13 - Warning with numbers
06:04 - null safe variables
06:38 - variable naming conventions
07:15 - Working with null