Python assert lo lus tseem ceeb tests if a condition is true. Yog tias qhov xwm txheej tsis raug, qhov kev zov me nyuam yuav nres nrog cov lus xaiv. Cov lus lees paub yog siv los daws qhov chaws thiab daws qhov yuam kev. Koj yuav tsum tsis txhob siv cov lus lees paub hauv qhov chaw tsim khoom.
Vim li cas thiaj siv tau?
Cov programmers tuaj yeem siv cov lus lees paub los pab qhia cov kev pabcuam thiab ua laj thawj txog kev ua haujlwm raug. Piv txwv li, precondition-ib qho kev lees paub muab tso rau ntawm qhov pib ntawm ib ntu ntawm cov cai- txiav txim siab cov txheej txheem hauv qab uas tus programmer xav kom tus lej ua tiav.
Vim li cas peb thiaj siv lus pov thawj hauv Python?
Lub ntsiab lus tseem ceeb yog siv thaum debugging code. Lub ntsiab lus tseem ceeb tso cai rau koj sim yog tias qhov xwm txheej hauv koj cov lej rov qab muaj tseeb, yog tias tsis yog, qhov kev zov me nyuam yuav tsa qhov AssertionError. Koj tuaj yeem sau cov lus los sau yog tias tus lej rov qab False, kos cov piv txwv hauv qab no.
Kev siv cov lus pov thawj hauv Python piav qhia piv txwv yog dab tsi?
Assert Keyword in Python
In python assert lo lus tseem ceeb pab kom ua tiav txoj hauj lwm no. Cov nqe lus no tsuas yog siv cov tswv yim boolean, uas thaum rov qab muaj tseeb tsis rov qab dab tsi, tab sis yog tias nws raug suav tias yog cuav, ces nws tsa qhov AssertionError nrog rau cov lus xaiv tau muab.
Dab tsi yog qhov kev lees paub yuam kev Python?
Assertion is a programming concept siv thaum sau tus lej uas tus neeg siv tshaj tawm cov xwm txheej kom muaj tseeb siv kev lees paubnqe lus ua ntej khiav lub module. Yog tias qhov xwm txheej muaj tseeb, kev tswj xyuas tsuas yog txav mus rau kab tom ntej ntawm txoj cai.