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tools
DefaultDict Module
Operation
Create/Initialize
Add Elements
Update Values
Access Missing Keys
Nested DefaultDict
Grouping Operations
Input Data
[('a', 1), ('b', 2), ('a', 3), ('c', 1), ('b', 4)]
Update Data
[('a', 45), ('b', 58), ('z', 77)]
Access Keys
['a', 'x', 'y']
Default Value Type
int (0)
list ([])
set (set())
str ('')
dict ()
Options
Show Available Methods
Step-by-step Execution
Compare with Regular Dict
Show Default Value Behavior
Run Visualization
Console Output
>
DefaultDict Visualization
Operation:
create
Default Type:
int
DefaultDict Structure (default: int):
Empty DefaultDict
Run visualization to see data
vs Regular dict:
Missing keys:
Returns default value
KeyError:
Never raises
Initialization:
Requires default_factory
Memory usage:
Slightly higher
Default Value Behavior:
int:
0
list:
[]
set:
set()
str:
''
dict:
DefaultDict Info
Total keys: 0
Default type: int
Default value: 0
Type: defaultdict