Hom lus qhia pab koj tsim thiab tswj kom muaj kev huv huv. Txoj cai ntawm kev sau hom lus qhia yuam koj xav txog cov hom hauv koj qhov program. Txawm hais tias qhov xwm txheej zoo ntawm Python yog ib qho ntawm nws cov khoom muaj txiaj ntsig zoo, kev nco qab txog kev cia siab rau kev ntaus ntawv duck, ntau txoj hauv kev, lossis ntau hom rov qab yog qhov zoo.
Python hom hinting yog dab tsi?
Type hinting yog ib qho kev daws teeb meem rau statically qhia hom tus nqi hauv koj tus lej Python. Nws tau teev tseg hauv PEP 484 thiab qhia hauv Python 3.5. Lub npe: str syntax qhia tias lub npe sib cav yuav tsum yog hom str. Lub -> syntax qhia tias kev tos txais muaj nuj nqi yuav rov qab ib txoj hlua.
Koj sau cov lus qhia hauv Python li cas?
Nov yog li cas koj tuaj yeem ntxiv cov lus qhia rau peb txoj haujlwm:
- Ntxiv cov nyuv thiab hom ntaub ntawv tom qab txhua qhov kev ua haujlwm.
- Ntxiv tus xub (->) thiab hom ntaub ntawv tom qab ua haujlwm txhawm rau txheeb xyuas cov ntaub ntawv xa rov qab.
Kuv yuav siv Python hom twg?
Yav dhau los, muaj kev sib cav me ntsis hauv zej zog coding txog qhov twg Python version yog qhov zoo tshaj plaws los kawm: Python 2 vs Python 3 (los yog, tshwj xeeb, Python 2.7 vs 3.5). Tam sim no, xyoo 2018, nws yog qhov tsis muaj lub hlwb ntau dua: Python 3 yog tus yeej meej rau cov neeg kawm tshiab lossis cov uas xav hloov kho lawv cov kev txawj ntse.
Dab tsi yog lus qhia hauv Python?
Nyob rau hauv ib tug nutshell: Hom hinting yog lus txhais li cas. Koj hint homcov khoom koj siv. Vim yog qhov xwm txheej zoo ntawm Python, inferring lossis kuaj xyuas hom khoom siv yog qhov nyuaj.
