Merge pull request #243 from srobo/kjk/programming-section

Update outdated references in programming section

Author: raccube

programming/index.md

@@ -6,7 +6,7 @@ title: Programming
 Programming Your Robot
 ======================
 
-Robots that are made using the SR kit are programmed with [Python](/docs/programming/python/) which is made possible with a custom-built Python library, `sr.robot`; see [here](/docs/programming/sr/) for more details. The pages under this section should contain all of the information you need to know to successfully code for your robot.
+Robots that are made using the SR kit are programmed with [Python](/docs/programming/python/) which is made possible with a custom-built Python library, `sr.robot3`; see [here](/docs/programming/sr/) for more details. The pages under this section should contain all of the information you need to know to successfully code for your robot.
 
 * In order to develop the code for your robot, we recommend that you use a code
   editor. For more information about this, including some suggestions for

programming/python/functions.md

@@ -33,6 +33,6 @@ The same function modified & printing a log message:
 
 ~~~~~ python
 def square(num):
-    print("found the square of {:d}".format(num))
+    print(f"found the square of {num}")
     return num * num
 ~~~~~

programming/python/index.md

@@ -6,7 +6,7 @@ title: Python
 Python
 ======
 
-Student Robotics robots are all programmed in [Python 2.7](https://www.python.org);
+Student Robotics robots are all programmed in [Python 3.9](https://www.python.org);
 to program a robot, it is important that you have a basic understanding of Python.
 
 There are a number of tutorials out there which might help you to learn to program in Python:
@@ -15,15 +15,11 @@ There are a number of tutorials out there which might help you to learn to progr
     This was written especially for Student Robotics competitors,
     and explains the basics while trying not to overwhelm you.
 
-* [The Official Tutorial](https://docs.python.org/tutorial/) -- the good stuff starts at chapter 3,
+* [The Official Tutorial](https://docs.python.org/3.9/tutorial/) -- the good stuff starts at chapter 3,
     but you should at least skim the stuff before it;
     there is a lot there and it may be a little overwhelming.
 
 * A number of tutorials for beginners are linked to from [here](https://wiki.python.org/moin/BeginnersGuide/NonProgrammers).
-    [Wikibooks Tutorial](https://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_2.6) seems like a good one.
+    [Wikibooks Tutorial](https://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_3) seems like a good one.
 
-* A number of tutorials for people that have programmed before are linked to from [here](https://wiki.python.org/moin/BeginnersGuide/Programmers).
-    [Google's Python Class](https://developers.google.com/edu/python) looks to be a good tutorial which has some lecture videos to go with it.
-
-* [The Official Docs](https://docs.python.org/2.7/), for the version of python on the [Odroid Brain Boards](/docs/kit/brain_board).
-    We also host a [copy]({{ site.url }}/docs/python) of docs for the precise version (2.7.5) that it uses.
+* [The Official Docs](https://docs.python.org/3.9/), for the version of python on the [Odroid Brain Boards](/docs/kit/brain_board).