diff -r 6ccb04c4cbae Doc/tutorial/datastructures.rst
--- a/Doc/tutorial/datastructures.rst	Fri Sep 28 01:15:39 2012 -0700
+++ b/Doc/tutorial/datastructures.rst	Fri Sep 28 14:26:16 2012 +0100
@@ -186,7 +186,7 @@
 
    squares = [x**2 for x in range(10)]
 
-This is also equivalent to ``squares = map(lambda x: x**2, range(10))``,
+This is also equivalent to ``squares = list(map(lambda x: x**2, range(10)))``,
 but it's more concise and readable.
 
 A list comprehension consists of brackets containing an expression followed