python

functools.partial vs lambda: Call Lab

statistics vs Manual mean: Stdlib Lab

Hands-on statistics vs manual mean/median/stdev lab: real ops/s for fmean, sum/len, and sorted mid versus the stdlib, measured on Linux localhost (lab).

bisect vs Linear vs set: Lookup Lab

Hands-on bisect.insort vs linear vs set lab: real ops/s for mixed sorted-list insert and membership lookup workloads, measured on Linux localhost (lab).

itertools.chain vs Flatten Lab

nlargest vs sorted[:k]: Top-k Lab

attrgetter vs getattr: Hot Loop Lab

Hands-on operator.attrgetter vs builtin getattr lab: real ops/s for extract and sort by attribute versus direct access, measured on Linux localhost only.

Counter vs dict: Tally Lab

Hands-on collections.Counter vs dict tally lab: real ops/s for Counter.update, dict get-add, and defaultdict(int) token counting on Linux localhost (lab).

bytes vs bytearray: Mutate/Copy Lab

Hands-on bytes vs bytearray lab: real ops/s for append/extend/slice/copy and when copy dominates over mutate, benchmarked on Linux localhost for SREs.

contextlib vs try/finally: Cleanup Lab

TemporaryFile vs NamedTemporaryFile Delete Modes Lab

Hands-on tempfile modes lab: TemporaryFile vs NamedTemporaryFile delete True/False vs mkstemp unlink patterns with real measured ops/s on localhost box.