Code Explainers

Code explainers tagged #defaultdict

python
import fnmatch
from collections import defaultdict
from typing import Any, Callable
 

A pattern-matching event bus in Python

pub-sub decorators pattern-matching
Intermediate 8 steps
python
from itertools import cycle
from collections import defaultdict
 
 

Round-robin task distribution in Python

round-robin iterators load-balancing
Intermediate 6 steps
python
import hashlib
from collections import defaultdict
from pathlib import Path
 

Finding duplicate files by size then hash

hashing file-io deduplication
Intermediate 7 steps
python
import re
from collections import defaultdict
from pathlib import Path
 

Summarizing log files by date in Python

regex parsing aggregation
Intermediate 7 steps
python
import csv
from collections import defaultdict
from dataclasses import dataclass, field
from decimal import Decimal, InvalidOperation

Aggregating CSV sales by category in Python

dataclasses csv-parsing defaultdict
Intermediate 8 steps