Video: Koj piv ob yam khoom hauv Python li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Ob qho "yog" thiab "= =" yog siv rau kwv piv hauv Python . Tus neeg teb xov tooj “= =” piv cov nqi ntawm ob yam khoom , thaum "yog" xyuas yog tias ob yam khoom yog tib yam (Hauv lwm lo lus ob siv rau tib yam khoom ). Tus neeg teb xov tooj "==" tsis qhia peb seb x1 thiab x2 puas yog xa mus rau tib yam khoom los tsis.
Ib yam li ntawd, koj yuav ua li cas xyuas seb ob yam khoom zoo ib yam hauv Python?
Lo lus tseem ceeb yog siv rau test yog ob variables hais txog tib yam khoom . Cov xeem rov qab muaj tseeb yog tus ob yam khoom yog tib yam khoom . Cov xeem rov False yog lawv tsis zoo ib yam khoom , txawm yog tus ob yam khoom yog 100% sib npaug . Siv tus == tus neeg teb xov tooj rau test yog ob variables yog sib npaug.
Ib yam li ntawd, koj piv li cas hauv Python 3? Cov neeg ua haujlwm no piv qhov tseem ceeb ntawm ob sab ntawm lawv thiab txiav txim siab qhov kev sib raug zoo ntawm lawv. Lawv kuj hu ua Relational operators.
Python 3 - Kev sib piv Cov neeg ua haujlwm piv txwv.
| Tus neeg ua haujlwm | Kev piav qhia | Piv txwv |
|---|---|---|
| > | Yog tias tus nqi ntawm sab laug operand ntau dua tus nqi ntawm txoj cai operand, ces qhov xwm txheej yuav muaj tseeb. | (a > b) tsis muaj tseeb. |
Kuj kom paub, koj ua li cas piv ob qhov sib txawv hauv Python?
Python muaj cov ob qhov sib piv operators == thiab yog. Thaum xub thawj pom lawv zoo li qub, tab sis qhov tseeb lawv tsis yog. == sib piv ob qhov sib txawv raws li lawv tus nqi tiag tiag. Nyob rau hauv sib piv, tus neeg teb xov tooj sib piv ob qhov sib txawv raws li cov khoom ID thiab rov qab muaj tseeb yog tias qhov ob qhov sib txawv xa mus rau tib yam khoom.
CMP muaj nuj nqi hauv Python yog dab tsi?
Python - cmp ua () ua cmp () yog ib lub hauv paus ua haujlwm hauv Python , nws yog siv rau piv ob yam khoom thiab xa rov qab tus nqi raws li tus nqi muab. Nws tsis xa rov qab 'tseeb' lossis 'false' es tsis yog 'true' / 'false', nws rov qab tsis zoo, xoom lossis tus nqi zoo raws li qhov muab nkag. Syntax: cmp ua (obj 1, obj 2)
Pom zoo:
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