Ultimately it probably doesn't have a safe. get method because a dict is an associative collection (values are associated with names) where it is inefficient to check if a key is present (and return its value).
How to get get variables from request in javascript?
Does jquery or yui!
Have this feature built-in?
Powershell's get-adgroupmember cmdlet returns members of a specific group.
Is there a cmdlet or property to get all the groups that a particular user is a member of?
What does request. get. get mean?
I see something like this in django
The get/set pattern provides a structure that allows logic to be added during the setting ('set') or retrieval ('get') of a property instance of an instantiated class, which can be useful when some instantiation.
The sample code in your question is clearly trying to count the number of occurrences of each character:
If it already has a count for a given character, get returns it (so it's just incremented by one), else get.