Ch008 H4: new 17k chars (제어 흐름 18 도구 카탈로그 — 6 무리 신호등·반복 4(range/enumerate/zip/reversed) 각 5 활용·집계 5(sum/min/max/any/all/len) + 단축평가·필터/변환/정렬 4(filter/map/sorted/reversed) comp 표준·comp 5종 + 5 일반 패턴·iter callable + next default·itertools 10(chain/groupby/product/combinations/count + tee/cycle/takewhile/accumulate/pairwise)·functools 6(cache/reduce/partial/lru_cache/wraps/singledispatch)·collections 8(Counter/defaultdict/OrderedDict/deque/namedtuple/ChainMap/UserDict/UserList)·operator 3(itemgetter/attrgetter/methodcaller) = 총 45 도구·매일 6+주간 5+월간 3=14 손가락·13줄 환율 알림 9 도구·5 시나리오·zip(*matrix) 전치·zip(*[iter()]*100) 배치·Python vs JS/Java 가독성 1위·75h/년 ROI 15배·오해8+FAQ10+추신82)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: GoGoComputer