diff --git a/Doc/tutorial/datastructures.rst b/Doc/tutorial/datastructures.rst index 36abc9cac25..53077e451a7 100644 --- a/Doc/tutorial/datastructures.rst +++ b/Doc/tutorial/datastructures.rst @@ -418,7 +418,7 @@ with no duplicate elements. Basic uses include membership testing and eliminating duplicate entries. Set objects also support mathematical operations like union, intersection, difference, and symmetric difference. -Curly braces or the :func:`set` function can be used to create sets. Note: To +Curly braces or the :func:`set` function can be used to create sets. Note: to create an empty set you have to use ``set()``, not ``{}``; the latter creates an empty dictionary, a data structure that we discuss in the next section. @@ -447,14 +447,14 @@ Here is a brief demonstration:: >>> a ^ b # letters in a or b but not both {'r', 'd', 'b', 'm', 'z', 'l'} -Like :ref:`for lists `, there is a set comprehension syntax:: +Similarly to :ref:`list comprehensions `, set comprehensions +are also supported:: >>> a = {x for x in 'abracadabra' if x not in 'abc'} >>> a {'r', 'd'} - .. _tut-dictionaries: Dictionaries