Video: Peb puas tuaj yeem muaj tib tus yuam sij hauv phau ntawv txhais lus python?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Teb. Tsis yog, txhua tus yuam sij hauv a phau ntawv txhais lus yuav tsum yog tus tshwj xeeb. Koj ua tau 't muaj ob yuam sij nrog rau ib yam tus nqi. Sim siv lub tib tus yuam sij dua yuav tsuas yog overwrite tus nqi yav dhau los khaws cia.
Hauv qhov no, koj puas tuaj yeem muaj cov yuam sij sib npaug hauv phau ntawv txhais lus python?
Python phau ntawv txhais lus map a tus yuam sij mus rau tus nqi. Luam cov yuam sij tsis tso cai, thiab cov khoom tshiab hloov cov qub qub nrog tib yam tus yuam sij . Kev txiav txim tsis yog txwv tsis pub, yog li tsis muaj txoj hauv kev tau cov khoom hauv qhov kev txiav txim lawv tau ntxiv rau a phau ntawv txhais lus.
Qhov thib ob, koj yuav ua li cas xyuas seb tus yuam sij puas nyob hauv phau ntawv txhais lus python? Kom yooj yim xyuas seb puas muaj tus yuam sij muaj nyob rau hauv ib Python phau ntawv txhais lus koj tuaj yeem siv tus neeg teb xov tooj los tshawb nrhiav los ntawm cov phau ntawv txhais lus zoo li no: tsiaj = {'cats': 1, 'dub': 2, 'ntses': 3} yog ' dev' hauv tsiaj: luam tawm ('Dog pom!') # dev pom!
Kuj nug, pes tsawg tus yuam sij zoo ib yam tuaj yeem muaj phau ntawv txhais lus muaj Python?
Ntau tus yuam sij zoo ib yam hauv a Python dict - yog, koj ua tau ! Ntau tus yuam sij zoo ib yam hauv a Python dict - yog, koj ua tau ! Yog koj muaj lis,tu ua tau nkaus xwb muaj ib lub caij ntawm txhua tus lej - tsuas yog ib qho positon [0], ib qho [1] thiab lwm yam. Qhov ntawd yog qhov tseeb, thiab ntuj kom nkag siab.
Puas yog phau ntawv txhais lus tseem ceeb tuaj yeem yog npe Python?
Lub builtin lis hom yuav tsum tsis txhob siv raws li ib tug tus yuam sij phau ntawv txhais lus . Nco ntsoov tias txij li cov tuples tsis hloov pauv, lawv ua tsis khiav mus rau qhov teeb meem ntawm cov npe - lawv ua tau tau hashed los ntawm lawv cov ntsiab lus tsis muaj kev txhawj xeeb txog kev hloov kho. Yog li ntawd, hauv Python , lawv muab txoj kev siv tau _hash_, thiab yog li siv tau li cov phau ntawv txhais lus.
Pom zoo:
Muaj pes tsawg tus yuam sij zoo ib yam tuaj yeem muaj phau ntawv txhais lus muaj Python?
Tus yuam sij txheeb xyuas lub ntsiab lus ntawm phau ntawv txhais lus, tus nqi yog cov ntaub ntawv sib raug rau tus yuam sij muab. Cov txiaj ntsig tseem ceeb yog qhov tshwj xeeb, i. e. tsis tuaj yeem muaj ob tus yuam sij zoo ib yam hauv phau ntawv txhais lus
Ib tus yuam sij tseem ceeb puas tuaj yeem muaj ob tus yuam sij txawv teb chaws?
Nws yog qhov zoo kawg nkaus kom muaj ob kab ntawv tseem ceeb txawv teb chaws xa mus rau tib lub ntsiab lus tseem ceeb hauv ib lub rooj sib txawv vim tias txhua tus nqi tseem ceeb txawv teb chaws yuav siv cov ntaub ntawv sib txawv hauv cov lus hais
Koj txhais li cas los ntawm tus yuam sij ntiag tug thiab pej xeem tus yuam sij cryptography?
Nyob rau hauv pej xeem tus yuam sij cryptography, ob tus yuam sij yog siv, ib tug yuam sij yog siv rau encryption thiab thaum lwm yam yog siv rau decryption. 3. Nyob rau hauv private keycryptography, tus yuam sij yog khaws cia tsis pub leejtwg paub. Nyob rau hauv pej xeem tus yuam sij cryptography, ib qho ntawm ob tus yuam sij yog khaws cia tsis pub leejtwg paub
Puas yog tus yuam sij tseem ceeb kuj yog tus yuam sij txawv teb chaws?
Cov yuam sij tseem ceeb ib txwm yuav tsum muaj qhov tshwj xeeb, cov yuam sij txawv teb chaws yuav tsum tso cai rau qhov tsis muaj txiaj ntsig yog tias lub rooj yog ib qho kev sib raug zoo. Nws yog qhov zoo kawg nkaus siv tus yuam sij txawv teb chaws los ua tus yuam sij tseem ceeb yog tias lub rooj sib txuas los ntawm kev sib raug zoo ib leeg, tsis yog ib qho kev sib raug zoo
Ib tus yuam sij txawv teb chaws puas tuaj yeem siv lwm tus yuam sij txawv teb chaws?
1 Teb. Tus yuam sij txawv teb chaws tuaj yeem siv txhua qhov chaw uas txhais tau tias nws txawv. Yog hais tias qhov tshwj xeeb teb yog nws tus kheej txhais tau tias yog tus yuam sij txawv teb chaws, nws tsis txawv. Yog tias nws yog thaj chaw tshwj xeeb, nws kuj tuaj yeem yog lub hom phiaj ntawm lwm FK