Test and exam instructions.

Author: dham

doc/source/tests_and_exams.rst

@@ -118,8 +118,8 @@ Exercises
 
 .. proof:exercise::
 
-    Obtain the `first practice problem from GitHub Classroom
-    <https://classroom.github.com/a/wNgTuHeo>`__. Follow the instructions in
+    Obtain the `practice problem from GitHub Classroom
+    <https://classroom.github.com/a/Aw6c2upG>`__. Follow the instructions in
     the README file that will be displayed on GitHub on your copy of the page.
 
 .. note::
@@ -129,10 +129,26 @@ Exercises
 
 .. proof:exercise::
 
-    Obtain the `second practice problem from GitHub Classroom
-    <https://classroom.github.com/a/fQmijiXp>`__. Follow the instructions in
+    Obtain the `practice problem from GitHub Classroom
+    <https://classroom.github.com/a/FN6lgjAp>`__. Follow the instructions in
+    the README file that will be displayed on GitHub on your copy of the page.
+
+.. proof:exercise::
+
+    Obtain the `practice problem from GitHub Classroom
+    <https://classroom.github.com/a/iZ_xv8bl>`__. Follow the instructions in
+    the README file that will be displayed on GitHub on your copy of the page.
+
+.. proof:exercise::
+
+    Obtain the `practice problem from GitHub Classroom
+    <https://classroom.github.com/a/7_D2F0Iz>`__. Follow the instructions in
     the README file that will be displayed on GitHub on your copy of the page.
 
+    .. note::
+    
+        This problem was the midterm test in 2021.
+
 .. Midterm test instructions
 .. -------------------------
 
@@ -166,8 +182,6 @@ Exercises
 ..     not seek help from anyone else, whether in person, by email, chat message,
 ..     forum post or any other means.
 
-
-
 Exam preparation
 ----------------
 
@@ -213,19 +227,33 @@ chapters 7 and 9 of `Hans Petter Langtangen, A Primer on Scientific Programming
 with Python <https://link.springer.com/book/10.1007%2F978-3-662-49887-3>`__.
 You can access that book by logging in with your Imperial credentials.
 
-The first two questions are in exam format. 
+The these questions are in exam format. 
+
+.. proof:exercise::
+
+    Obtain the `practice problem from GitHub Classroom
+    <https://classroom.github.com/a/2KLrIvq2>`__. Follow the instructions in
+    the README file that will be displayed on GitHub on your copy of the page.
+
+    .. note::
+
+        This exercise is at the level of an exam question, though longer. An
+        actual exam question would be pruned back to be achievable in 30
+        minutes. Here the complete exercise is presented because the main thing
+        you need to do is practice programming, and cutting out material
+        doesn't help with that. Marks are not given as the question is the
+        wrong length, so dividing 20 marks over the question would just be
+        misleading
 
 .. proof:exercise::
 
     Obtain the `practice problem from GitHub Classroom
-    <https://classroom.github.com/a/HdgipMxw>`__. Follow the instructions in
+    <https://classroom.github.com/a/AKaRcEJn>`__. Follow the instructions in
     the README file that will be displayed on GitHub on your copy of the page.
 
     .. note::
 
-        This exercise is fully set up as an exam question, including provisional
-        points on the autotests. It should be doable in 30 minutes, though the
-        level of programming is a little more basic than the exam questions.
+        This was the May 2021 exam.
 
 .. proof:exercise::
 
@@ -235,13 +263,8 @@ The first two questions are in exam format.
 
     .. note::
 
-        This exercise is at the level of an exam question, though longer. An
-        actual exam question would be pruned back to be achievable in 30
-        minutes. Here the complete exercise is presented because the main thing
-        you need to do is practice programming, and cutting out material
-        doesn't help with that. Marks are not given as the question is the
-        wrong length, so dividing 20 marks over the question would just be
-        misleading
+        This was the August 2021 exam.
+
 
 Further programming practice ideas
 ----------------------------------