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Diffstat (limited to 'Doc/tutorial/datastructures.rst')
| -rw-r--r-- | Doc/tutorial/datastructures.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Doc/tutorial/datastructures.rst b/Doc/tutorial/datastructures.rst index 0661164..ca6de17 100644 --- a/Doc/tutorial/datastructures.rst +++ b/Doc/tutorial/datastructures.rst @@ -440,9 +440,9 @@ pair with ``del``. If you store using a key that is already in use, the old value associated with that key is forgotten. It is an error to extract a value using a non-existent key. -Preforming ``list(d.keys())`` on a dictionary returns a list of all the keys +Performing ``list(d.keys())`` on a dictionary returns a list of all the keys used in the dictionary, in arbitrary order (if you want it sorted, just apply -the :meth:`sort` method to the list of keys). To check whether a single key is +the :meth:`sorted` function instead). To check whether a single key is in the dictionary, use the :keyword:`in` keyword. Here is a small example using a dictionary:: @@ -458,6 +458,8 @@ Here is a small example using a dictionary:: >>> tel {'guido': 4127, 'irv': 4127, 'jack': 4098} >>> list(tel.keys()) + ['irv', 'guido', 'jack'] + >>> sorted(tel.keys()) ['guido', 'irv', 'jack'] >>> 'guido' in tel True |