Iteration is a general term rau kev noj txhua yam ntawm ib yam, ib qho tom qab. Txhua lub sij hawm koj siv lub voj, qhia meej los yog implicit, mus hla ib pawg ntawm cov khoom, uas yog iteration. Hauv Python, iterable thiab iterator muaj lub ntsiab lus tshwj xeeb.
Dab tsi yog iteration hauv Python nrog piv txwv?
Xauv yog tsim-hauv python muaj nuj nqi uas siv cov tswv yim raws li iterator, sau thiab xa rov qab ib tuple uas muaj qhov ntsuas thiab cov ntaub ntawv ntawm qhov ntsuas ntawd hauv cov kab ke iterator. Piv txwv li, enumerate(tsheb), returns a iterator that will return (0, cars[0]), (1, cars[1]), (2, car[2]), thiab lwm yam.
Vim li cas peb thiaj siv iteration hauv Python?
Kev rov ua haujlwm zoo ib yam lossis zoo sib xws yam tsis ua yuam kev yog qee yam uas lub khoos phis tawj ua tau zoo thiab tib neeg ua tsis zoo. Rov ua dua ntawm cov lus teev tseg yog hu ua iteration. Vim hais tias iteration yog ntau heev, Python muab ob peb hom lus kom nws yooj yim dua.
Ib yam txhais li cas hauv kev ua haujlwm?
Iteration in programming txhais tau tias repeating step, or instruction, over and over. Qhov no feem ntau hu ua 'loop'. … Iteration is the process of repeating step.
Koj ua iteration hauv Python li cas?
Koj tuaj yeem tsim cov khoom siv iterator los ntawm siv cov iter built-in muaj nuj nqi rau ib qho iterable. Koj tuaj yeem siv tus iterator rau manually voj hla lub iterable nws los ntawm. Ib zaug dua dhau ntawm iterator mus rau lub built-inua haujlwm tom ntej rov qab ua tiav cov khoom hauv cov kwj deg.
