Changes

* To start an interactive Python version 3 shell, type "python3" at the command prompt.

:* You can access the Python Interpreter on Matrix from a Linux machine or a Windows 10 machine.

:* To login to matrix.senecacollege.ca must must have a active Seneca user account.

:* The following is a screen shot showing the login from a CentOS Linux (host or vm) system with an active Seneca user name: <br /><br />[[image:centos_ssh.png|Ssh to matrix from Linux]]

:* Login to matrix.senecacollege.ca with your Seneca user name from Windows 10's run box.<br /><br />[[image:window10_ssh.png|ssh to matrix from Windows 10]]

:* Once you are on matrix.senecacollege.ca, run the '''python''' command to start a Python version 2 interactive shell at the command prompt. The last line displayed should be '''>>>'''. the '''>>>''' sign is referred to as the Python interactive shell prompt.

:** python

:* Compare the list of keywords and symbols for Python version 2 and version 3. Which keyword(s) is/are remove from version 2 in version 3?

:* Lets setup and reserve the following directories for storing and organizing files for labs and assignments. Execute the following commands at the command prompt:

<pre>

</pre>

:* Download the sample.py script from https://github.com/rayfreeping/ops435-lab1 repository to ~/ops435/lab1 directory

:* Study and Explore the sample.py python script and identify the following sections:

:** <source>python3 sample.py test 2>/dev/null </source>

:* In this mode, you can instruct the Python Interpreter to execute python statement or python expression one at a time, call a function, or display the representation of a python data object.

:* To start the Python version 3 Interactive shell, type the command <source>[raymond.chan@mtrx-node05pd lab1]$ python3</source> at the Linux command prompt.

</source>

:* print() function

:* integer object

:* string object

:* Math operators