>>> monopoly.boardwalk
550
>>> # invalidate the cache
- >>> del monopoly['boardwalk']
+ >>> del monopoly.boardwalk
>>> # request the boardwalk property again
>>> monopoly.boardwalk
600
3
>>> monopoly.dice
3
+ >>> # This cache clearing does not always work, see note below.
+ >>> del monopoly['dice']
+ >>> monopoly.dice
+ 6
**Note:** The ``ttl`` tools do not reliably allow the clearing of the cache. This
is why they are broken out into seperate tools. See https://github.com/pydanny/cached-property/issues/16.