An warware: jerin hanyoyin musamman

A duniyar yau, shirye-shirye wani fasaha ne mai mahimmanci, kuma Python yana daya daga cikin shahararrun yarukan shirye-shirye saboda sauki da kuma dacewa. A matsayina na kwararre a Python kuma mai sha'awar kayyayaki, Ina jin daɗin nutsewa cikin hanyoyin musamman a Python, musamman dangane da jeri. A cikin wannan labarin, za mu bincika matsala da ke da alaƙa da magudi, tattauna mafita, da kuma ba da bayanin mataki-mataki na lambar. Bugu da ƙari, za mu shiga cikin ɗakunan karatu da ayyuka masu alaƙa da matsalar don ƙara fahimtar iyawar Python.

Fahimtar Matsala

A cikin duniyar salon, yanayin yanayi da salo suna canzawa da sauri. A sakamakon haka, sarrafawa da tsara manyan tarin kayan ado yana da mahimmanci ga masu zanen kaya da gidajen kayan ado. Za mu iya amfani da Python don ƙirƙirar shirin da zai ba mu damar sarrafa jerin abubuwan kayan sawa da kyau. Babban burinmu shine ƙirƙirar nau'in jeri-kamar al'ada tare da hanyoyi na musamman waɗanda ke da ikon sarrafa ayyuka daban-daban kamar rarrabewa ta atomatik ta launuka, salo, ko masu ƙira.

Domin cim ma wannan aikin, muna buƙatar fahimta da amfani da Python's hanyoyin da aka gina a ciki, hanyoyin sihiri, kuma wasu dakunan karatu na waje masu dacewa wanda zai iya taimakawa inganta shirin mu.

Magani: Ƙirƙirar Class List na Musamman

Don magance wannan matsala, za mu iya ƙirƙirar ajin Python na al'ada da ake kira List of Fashion, wanda ke aiki daidai da nau'in lissafin da aka gina. Wannan ajin zai sami hanyoyi na musamman waɗanda ke ɗaukar takamaiman buƙatu da buƙatu don sarrafa kayan kayan kwalliya, kamar rarraba abubuwa ta launi, salo, ko ƙira.

Kafin nutsewa cikin lambar, yana da mahimmanci a fahimci Python's hanyoyin sihiri. Hanyoyin sihiri hanyoyi ne na musamman a cikin azuzuwan Python waɗanda ke da ma'ana sau biyu a farkon da ƙarshen sunayensu, kamar `__init__` da `__str__`. Waɗannan hanyoyin suna ba mu damar tsara halayen ajin mu.

Da farko, bari mu ƙirƙiri ajin FashionList kuma mu fara aiwatar da hanyoyin musamman.

class FashionList:
    def __init__(self):
        self.items = []

    def __str__(self):
        return f'FashionList: {str(self.items)}'

    def __len__(self):
        return len(self.items)

    def __getitem__(self, index):
        return self.items[index]

    def append(self, item):
        self.items.append(item)

    # More methods will be added here

A cikin lambar da ke sama, mun bayyana mai sauƙi FashionList class tare da hanyoyin sihiri masu zuwa:

- `__init__`: Yana fara lissafin fanko mai suna 'abubuwa' lokacin da aka ƙirƙiri wani abu na FashionList.
- `__str__`: Yana dawo da wakilcin kirtani na abun FashionList.
- `__len__`: Yana mayar da tsayin abin FashionList (yawan abubuwa).
- `__getitem__`: Yana ba da damar samun dama ga abubuwa a cikin abubuwan FashionList ta amfani da lambobi.

Mun kuma ƙara hanyar 'append' mai sauƙi don ƙara sabbin abubuwa zuwa lissafin.

Aiwatar da Hanyoyi Na Musamman

Yanzu da muke da ainihin ajin FashionList, za mu iya ƙara hanyoyin rarrabuwa na al'ada don ɗaukar takamaiman buƙatu don sarrafa kayan kwalliya. Don wannan dalili, za mu yi amfani da ginanniyar aikin ''jere'' na Python, wanda ke karɓar maɓalli mai mahimmanci don tsara rarrabuwa. Za mu kuma yi amfani da laburare kala-kala, wanda ke taimakawa rarrabuwar launuka ta hanyar da mutum zai iya karantawa, da kuma enum library ga style enums.

Bari mu aiwatar da waɗannan hanyoyin rarrabuwa na al'ada a cikin aji na FashionList:

import enum
from color_sort import sort_colors

class Style(enum.Enum):
    CASUAL = 1
    FORMAL = 2
    SPORTS = 3

class FashionList:

    # ... (previous code)

    def sort_by_color(self):
        self.items = sort_colors(self.items, key=lambda item: item.color)

    def sort_by_style(self):
        self.items = sorted(self.items, key=lambda item: item.style.value)

    def sort_by_designer(self):
        self.items = sorted(self.items, key=lambda item: item.designer)

Waɗannan hanyoyin rarrabuwa suna amfani da ayyukan lambda azaman maɓalli, waɗanda ke cire ƙa'idodin rarrabuwa daga kowane kayan salo. Tare da waɗannan ƙarin hanyoyin, ajin ɗinmu na FashionList yanzu an sanye shi don ɗaukar takamaiman buƙatu a cikin masana'antar keɓe, yana taimaka wa masu zanen kaya da gidajen kayan kwalliyar sarrafa tarin su yadda ya kamata.

A ƙarshe, hanyoyin jeri na Python da aka gina a ciki, hanyoyin sihiri, da ɗakunan karatu na waje na iya sarrafa ƙarfi da tsara manyan tarin kayan sawa. Ta hanyar fahimta da aiwatar da waɗannan kayan aikin, za mu iya ƙirƙirar mafita na al'ada, kamar ajin FashionList ɗin mu, wanda aka keɓance da buƙatun musamman na masana'antar keɓe.