Yam khoom hauv Python yog dab tsi?
Yam khoom hauv Python yog dab tsi?

Video: Yam khoom hauv Python yog dab tsi?

Video: Yam khoom hauv Python yog dab tsi?
Video: Data Science with Python! Joining Tables Without a Common Column 2024, Kaum ib hlis
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Tau qhov hom ntawm ib khoom : hom ()

hom () yog lub luag haujlwm uas rov qab los hom ntawm ib khoom dhau mus rau kev sib cav. Tus nqi rov qab los ntawm hom () yog hom ( hom khoom ) xws li str or int

Tsis tas li ntawd, cov ntaub ntawv hom khoom hauv Python yog dab tsi?

Cov ntaub ntawv hom khoom (dtype) A cov ntaub ntawv hom khoom (ib qho piv txwv ntawm numpy. dtype chav kawm) piav qhia yuav ua li cas cov bytes hauv qhov thaiv qhov loj ntawm lub cim xeeb sib raug rau cov khoom array yuav tsum tau txhais. Nws piav qhia txog cov hauv qab no ntawm cov cov ntaub ntawv : Hom ntawm cov ntaub ntawv (integer, ntab, Python object , thiab lwm yam)

Tsis tas li ntawd, hom () hauv Python yog dab tsi? Python | hom() muaj nuj nqi. hom() txoj kev rov qab chav kawm hom ntawm qhov kev sib cav (khoom) dhau li parameter. hom() muaj nuj nqi feem ntau yog siv rau kev debugging lub hom phiaj. Yog peb sib cav hom (npe, bases, dict) dhau lawm, nws rov los tshiab hom khoom.

Hais txog qhov no, dab tsi yog cov khoom hauv Python?

Python yog ib hom lus hais txog qhov programming. Tsis zoo li cov txheej txheem oriented programming, qhov chaw tseem ceeb yog nyob rau muaj nuj nqi , object oriented programming stress rau tej khoom. Yam khoom tsuas yog sau cov ntaub ntawv (variables) thiab txoj kev ( muaj nuj nqi ) uas ua rau cov ntaub ntawv. Thiab, chav kawm yog daim ntawv qhia txog qhov khoom.

Dab tsi yog NoneType object hauv Python?

Tsis muaj hom yog hom rau None khoom , uas yog ib khoom uas qhia tias tsis muaj nqi. Koj tsis tuaj yeem ntxiv Tsis muaj rau cov hlua lossis lwm yam khoom.

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