Practiced what we preach in the exercise solutions. Updated the Readme with a hint.

W. Trevor King: I dropped everything from the original 9448bfa except
for the python/sw_engineering/ modifications.

Conflicts:
	python/intro/Exercise_solutions.ipynb

diff --git a/python/sw_engineering/README.md b/python/sw_engineering/README.md
index 423c18b3398e23cb9aabab6fa8c72f147a3d2164..791f374cc411cc0dad090baf92bef956f4daba06 100644 (file)
--- a/python/sw_engineering/README.md
+++ b/python/sw_engineering/README.md
@@ -21,10 +21,21 @@ Exercises
 Exercise 1
 ----------
 
-Make a new text file called `animals.py`. Copy the file reading
-function from yesterday's IPython notebook into the file and modify it
-so that it returns the columns of the file as lists (instead of printing
-certain lines).
+Make a new text file called `animals.py`. Copy the file reading function from
+this morning's IPython notebook into the file and modify it so that it returns
+the columns of the file as lists (instead of printing certain lines).
+
+Hint: Before the loop create an empty lists like:
+
+    times = []
+    dates = []
+    # etc...
+
+In the loop use:
+
+    times.append(...)  # Replace the ... with the appropriate variable
+    dates.append(...)
+    # etc...
 
 Exercise 2
 ----------