Fixes from Margaret

_sources/conditional/tryExcept.rst

@@ -121,10 +121,10 @@ Handling an exception with a ``try`` statement is called
 an exception gives you a chance to fix the problem, or try again, or at
 least end the program gracefully.
 
-.. fillintheblank:: cndtnl-try-fitb-meaning
+.. fillintheblank:: cndtnl-try-fitb-meaning-v2
     :practice: T
 
-    The ``try/except`` feature is used to catch ________.
+    The ``try/except`` feature is used to catch an ________.
 
     - :[Ee]xception: When using try/except you are trying to catch an exception and give the computer a different way to handle it.
       :.*: Try again. 

_sources/lists/listAsArgument.rst

@@ -83,13 +83,13 @@ The slice operator creates a new list and the assignment makes
 ``t`` refer to it, but none of that has any effect on the list
 that was passed as an argument.
 
-.. mchoice:: listArg_MC_slice
+.. mchoice:: listArg_MC_slice_v2
     :practice: T
     :answer_a: True
     :answer_b: False
     :correct: a
-    :feedback_a: The slice operator creates a new list called "t", but that will not affect the list it was passed.
-    :feedback_b: The slice operator creates a new list called "t", so it will not modify the original list.
+    :feedback_a: The slice operator creates a new list called "lst", but that will not affect the list it was passed.
+    :feedback_b: The slice operator creates a new list called "lst", so it will not modify the original list.
 
     True or False. The following code block will **not** remove the first element from the list argument.
 

_sources/strings/parsing.rst

@@ -19,10 +19,10 @@ we will use string slicing to extract the portion of the string which we
 are looking for.
 
 .. codelens:: strParsing
-    :question: What is the value of sppos after the line with the red arrow executes?
+    :question: What is the value of spacepos after the line with the red arrow executes?
     :breakline: 4
     :feedback: The second argument in find() is the start position.
-    :correct: globals.sppos
+    :correct: globals.spacepos
 
     data = 'From stephen.marquard@uct.ac.za Sat Jan  5 09:14:16 2008'
     atpos = data.find('@')