Python ayyuka taka muhimmiyar rawa wajen tsara lambar, da sa ta zama abin karantawa da sake amfani da ita. Ɗaya daga cikin fasalulluka masu fa'ida da ake bayarwa na ayyukan Python shine ikon samar da tsoffin ƙimar gardama. Tare da wannan, idan ba a samar da shigarwa don takamaiman hujja ba, aikin yana amfani da ƙimar tsoho. Wannan yana sa shigarwar ta zama zaɓi, yana haɓaka sassaucin lambar ku.
Domin yin zaɓin shigarwar aiki, muna buƙatar samar da ƙimar da ta dace don hujja yayin ma'anar aiki. Idan an bayar da ƙimar hujja yayin kiran aikin, to ana amfani da ƙimar da aka bayar. Idan ba haka ba, ana amfani da tsohuwar ƙimar maimakon.
Yi la'akari da misali mai zuwa:
def greet(name="User"):
print(f"Hello, {name}")
A cikin snippet code a sama, da gaishe Aiki yana karɓar gardama ɗaya - suna - amma kuma yana ƙayyadaddun ƙimar tsoho azaman 'User'. Don haka, hujjar sunan na zaɓi ne. Kuna iya kiran gaisuwa () tare da gardamar kirtani azaman gaisuwa ("Alice"), kuma za ta buga "Sannu, Alice". Idan ka kira gaisuwa() ba tare da jayayya kamar gaisuwa(), zai buga "Hello, User".
Saita Ma'auni na Zabi a cikin Python
Lokacin ayyana aikin, ana sanya gardamar kalmar maɓalli tare da tsoffin ƙimar su bayan kowace gardamar matsayi. The Ma'anar aikin Python zai yi kama da wani abu kamar haka:
def function_name(positional_args, keyword_arg1=default_value1, keyword_arg2=default_value2):
...
Ana buƙatar shigarwar positional_args, yayin da keyword_arg1 da keyword_arg2 zaɓi ne. Idan ba a kawo su ba lokacin da aka kira aikin, za a yi amfani da tsoffin ƙididdiga.
Muhimmancin oda a cikin Hujjar Ayyukan Python
Oda yana da mahimmanci yayin amfani da zaɓi na zaɓi da muhawara da ake buƙata a cikin ma'anar aikin Python. Ga dalilin:
1. Abubuwan da ake buƙata dole ne a sanya shi a gaba dalilai na zaɓi a cikin ma'anar aikin. Wannan saboda Python yana kimanta muhawarar aiki daga hagu zuwa dama. Don haka, idan an sanya hujja na zaɓi kafin gardamar da ake buƙata, Python zai rikice kuma ya ɗaga kuskure.
2. Lokacin kiran aikin, gardama na matsayi koyaushe yakamata su riga da mahawara ta maɓalli.
Bari mu kalli misalin yadda ake amfani da shi dalilai na zaɓi a cikin wani Python aiki daidai:
def hello(name, greeting="Hello, "):
print(greeting + name + "!")
Wannan ya ƙare koyonmu kan yin zaɓin shigar da ayyuka a Python. Kamar yadda kuka gani, yana ƙara sassauƙa ga lambar mu kuma yana sa ta ƙara ƙarfi akan abubuwan da ba daidai ba ko ɓacewa. Wannan fasalin Python wani bangare ne na dalilin da ya sa masu haɓaka ke son shi saboda sauƙi da ƙarfinsa.
Amfani da Matsalolin Zaɓuɓɓuka da yawa a cikin Python
Python yana ba mu damar samun sigogi na zaɓi da yawa don aiki. Wannan yana ƙara ƙarin sassauci ga ƙirar aikin ku. Kuna iya zaɓar samar da kowane juzu'i na sigogin zaɓi lokacin kiran aikin, ya danganta da buƙatun ku a lokacin.
def create_user(username, admin=False, active=True):
...
A cikin lambar da ke sama, ƙirƙirar a mai amfani tare da duk saitunan tsoho yana da sauƙi, yana buƙatar kawai hujjar sunan mai amfani. Koyaya, idan muna son ƙirƙirar mai amfani tare da saituna daban-daban, zamu iya yin hakan ta hanyar samar da mahallin kalmomin da suka dace yayin kiran aikin.
A ƙarshe, yin zaɓin shigar da ayyuka a cikin Python yana ba masu haɓaka damar yin sassauci don tsara ƙarin ƙarfi da mafita iri-iri. Amfani da shi da ya dace alama ce mai kyau na gogaggen ƙwararren mai tsara shirye-shiryen Python.
