March 2003
Intermediate to advanced
656 pages
39h 30m
English
Content preview from Python in a NutshellBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Name
WeakKeyDictionary
Synopsis
class WeakKeyDictionary(adict={ })A WeakKeyDictionary
d
is a mapping that references its keys weakly. When the reference
count of a key k in
d goes to 0, item
d
[
k
]
disappears. adict is used to initialize
the mapping.