lect01, Mon 01/07

Introduction and Overview of the Course

Slides PDF

Intro to Course Logistics

• Review the syllabus at this link.

Intro to the Unix environment

• Unix file system
• Navigating the file system using Command Line
• Learn a few unix commands: ls, pwd, mkdir, cd, cp, mv

Python REPL (Read Eval Print Loop)

Also called the Python Shell Prompt

Python 3.4.3 (default, Aug  9 2016, 15:36:17)
[GCC 5.3.1 20160406 (Red Hat 5.3.1-6)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> 2 + 3
5
>>> 2 + 7 *4
30
>>> 2 ** 3
8
>>> 2 ** 3 ** 2
512
>>> 2 * 3 * 4
24
>>> (2 * 3) * 4
24
>>> 2 * (3 * 4)
24
>>> (2 ** 3) ** 2
64
>>> 2 ** (3 ** 2)
512
>>>

Note that ** is right associative, not left associative.