Cov txheej txheem:
- Ib txoj hlua puas tuaj yeem ua tau?
- Vim li cas txoj hlua iterable hauv Python?
- hom twg tuaj yeem ua tau hauv Python?
- Puas yog hlua ib qho iterator hauv Python?
Video: Puas yog txoj hlua iterable hauv python?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Definition: Ib qho iterable yog ib yam khoom Python muaj peev xwm xa rov qab nws cov tswv cuab ib zaug, tso cai rau nws rov hais dua nyob rau hauv ib lub voj voog. Cov piv txwv paub ntawm iterables muaj xws li cov npe, tuples, thiab cov hlua - ib qho kab ke no tuaj yeem rov ua dua hauv ib lub voj voog.
Ib txoj hlua puas tuaj yeem ua tau?
Ib txoj hlua yog qhov hloov tsis tau ntawm cov bytes. Txoj hlua yog iterable; iteration hla ib txoj hlua yields txhua ntawm nws 1-byte substrings nyob rau hauv kev txiav txim.
Vim li cas txoj hlua iterable hauv Python?
Cov npe thiab kab npe yog iterables vim peb muaj peev xwm hla lawv (siv rau-voj qhov no). Hauv tsab xov xwm no, peb yuav pom yuav ua li cas txhawm rau txheeb xyuas yog tias ib qho khoom puas tuaj yeem ua tau hauv Python.
hom twg tuaj yeem ua tau hauv Python?
Piv txwv ntawm iterables suav nrog txhua hom kab ke (xws li npe, str, thiab tuple) thiab qee yam tsis sib xws xws li dict, cov khoom siv, thiab cov khoom ntawm txhua chav kawm koj txhais nrog _iter_ txoj kev los yog nrog _getitem_ txoj kev uas siv Sequence semantics.
Puas yog hlua ib qho iterator hauv Python?
Python muaj ntau yam khoom tsim hauv, uas siv cov txheej txheem iterator. … Hauv Python ib txoj hlua yog ib qho kev hloov tsis tau ntawm cov cim. Iter muaj nuj nqi rov qab ib qho iterator ntawm cov khoom. Peb kuj tuaj yeem siv cov npe lossis tuple ua haujlwm ntawm iterators.
Pom zoo:
Pob nyiaj puas daws txoj hlua txoj hlua?
Sheldon tseem tsis tau hnov qab qhov xav tsis thoob thiab yooj yim ntawm txoj hlua txoj kev xav. Nws pib piav qhia rau Penny uas sim nkag siab nws. Sheldon thiab Penny daws txoj hlua txoj hlua . Penny daws cov lus sib cav li cas? Thaum lawv tshawb nrhiav hauv qab pob zeb, Penny muaj Sheldon qhia nws tias nws daws qhov teeb meem li cas.
Puas sheldon puas tau daws txoj hlua txoj hlua?
Penny mam li ua kom nws xav txog qhov ua rau nws zoo siab txog qhov tsaus ntuj. Penny piav txog nws yog ib qho kev tshawb fawb rov qab uas nws mus tom qab ua rau nws tus kheej tseem zoo nkauj. … Sheldon thiab Penny daws txoj hlua txoj hlua .
Vim li cas cov hlua khi hlua khi hlua khi?
Lub kaus mom yog qhov tseem ceeb uas yuav tsum ua kom txoj siv "nrhiav" ruaj khov, tiv thaiv txoj siv ntawm "taug kev" ntawm ntug ntawm rub. Pulleyed Pulley tshem tawm qhov xav tau ntawm lub rubey flanges thiab siv cov lus qhia cov menyuam .
Puas muaj leej twg daws txoj hlua txoj hlua?
Txij li xyoo 1960, cov kws tshawb fawb tau ua rau cov kev xav tsis thoob txoj hlua, lub hauv paus ntsiab lus ntawm kev muaj tiag uas suav nrog cov khoom me me, wriggling ib-dimensional-hu ua hlua-uas ua cov ntaub ntawm txhua yam. … Thaum cov kws tshawb fawb ntseeg tias nws ua haujlwm, tab sis tsis muaj leej twg tuaj yeem ua pov thawj nws Hu txoj hlua txoj hlua tau raug pov thawj?
Vim li cas s yog peev hauv txoj hlua hauv java?
Npe ntawm chav kawm, uas yog cov ntaub ntawv-sensitive, hom primitive yog tus lej qis. … Vim hais tias, los ntawm lub rooj sib tham tag nrho cov chav kawm npe nyob rau hauv Java pib nrog ib tug loj tsab ntawv, thiab String yog ib chav kawm.
