Fahimtar yadda ake fita daga aiki yana samar da wani muhimmin bangare na shirye-shiryen Python. Wannan kayan aiki mai ฦarfi yana ba ku damar ฦare aiki da wuri lokacin da wani yanayi ya cika, inganta aikin, da adana albarkatun lissafi a cikin tsari. Koyaya, ฦila koyaushe ba zai bayyana yadda ake aiwatar da wannan fasalin yadda yakamata ba, musamman ga masu farawa. Wannan shine inda wannan labarin ya shigo yayin da yake bayani daidai yadda zaku iya aiwatar da fasa aiki a Python.
Watsewa daga Aiki a Python: Dabarun Fita
Lokacin da muke magana akan fita daga aiki a Python, abin da muke magana akai shine amfani da wasu umarni don sa wani aiki ya daina aiwatarwa da wuri. Wannan na iya zama da amfani mai matuฦar amfani lokacin da mutum ke buฦatar haษaka lamba don guje wa ฦididdigewa mara amfani. Python yana amfani da umarni da yawa don fita daga ayyuka; Mafi yawanci sune 'dawowa', 'karya', da 'fita'.
Ana yawan amfani da bayanin 'dawowa' a cikin aiki don nuna ฦarshen aiwatarwa da fitarwar da aikin ya kamata ya samar. Duk da haka, ana iya amfani da shi don ฦare aiki da wuri.
Bari mu gabatar da wannan da misali mai amfani.
def breakFunction(): for i in range(10): if i == 5: return print(i) breakFunction()
A cikin lambar da ke sama, aikin zai daina aiki lokacin da m `i` yayi daidai da 5.
Haษin Kai na Rukunin Dakunan karatu
Bayan ginanniyar umarni, ษakunan karatu na Python daban-daban suna ba da ayyuka masu kyau don ingantaccen sarrafa ayyukan ku. Wani sanannen ษakin karatu a cikin wannan mahallin shine sys library. Ana iya amfani da aikin `sys.exit()` a cikin ษakin karatu na sys don ฦare aikin kuma yana kawo fa'idar cewa shima yana aiki a waje da iyakokin aiki.
Bari mu yi laโakari da misali.
import sys def breakFunction(): for i in range(10): if i == 5: sys.exit("Termination of function") print(i) breakFunction()
A cikin misalin da ke sama, aikin zai ฦare lokacin da `i` yayi daidai da 5, kuma za a buga saฦon โTermination of functionโ.
Keษance Handling
A ฦarshe, mutum zai iya fita daga aiki ta haษaka keษancewa tare da umarnin 'ษaga' da kama shi a wajen aikin. Duk da haka, wannan dabarar gabaษaya ba ta da ฦarfi saboda tana iya haifar da ษoyayyiyar lambar da al'amuran da ba a zata ba. Ya kamata a yi amfani da keษancewa kawai don sarrafa kuskure ba don sarrafa kwararar shirin ba.
Don taฦaitawa, amfani da dawowa ko dakunan karatu kamar sys don fita daga ayyukan Python kayan aiki ne mai ฦarfi ga kowane mai haษakawa. Yana taimakawa haษaka aikin, yana tabbatar da mafi kyawun amfani da albarkatu, da haษaka lamba mai tsabta wacce ta fi sauฦin karantawa da fahimta. Ka tuna, zabar dabarar da ta dace don fita daga aiki kai tsaye yana shafar ingancin lambar ku, don haka koyaushe zaษi cikin hikima.