Gịnị ka a na-akpọ "namespace" na Python?

Mmelite ikpeazụ: 01/18/2024
Onye dere ya: Sebastian Vidal

Nnọọ na akụkọ ọhụrụ a ebe anyị ga-enyocha akụkụ dị mkpa na mmemme na Python: Gịnị ka aha oghere pụtara na Python? Ebe aha, nke a makwaara dị ka namespace, bụ akụkụ dị mkpa nke Python na asụsụ mmemme ndị ọzọ, n'ihi na ọ bụ ihe na-enye anyị ohere ịhazi koodu nke ọma na enweghị mgbagwoju anya. N'aghọtaghị echiche a, ọ na-esiri ike ịbụ onye mmemme dị irè. Ya mere, nọdụ ala ma kwadebe uche gị ịbanye ụwa na-adọrọ mmasị nke aha aha na Python.

1. «Step by⁤ step‌ ➡️ Gịnị ka aha oghere dị na Python pụtara?

  • Nkọwa: Usoro ahụ "Gịnị ka aha oghere na Python pụtara?" ⁤ na-ezo aka na sistemụ Python na-eji hụ na aha ndị dị na koodu gị adịghị agwakọta ma bute esemokwu. Na Python, oghere aha bụ nkewa aha na ihe. N'ọtụtụ asụsụ mmemme, mgbe ị na-akọwapụta mgbanwe, ị na-emepụta aha na-arụtụ aka n'otu ihe ma ọ bụ uru. Ọ dị mkpa ịmara na na Python, aha oghere dịpụrụ adịpụ kpamkpam, ya mere oghere aha abụọ dị iche iche nwere ike inwe otu aha n'emeghị ka esemokwu ọ bụla, ebe ọ bụ na ha bụ akụkụ dị iche iche nke koodu.
  • Ụdị oghere aha: Na Python⁢ enwere atọ ụdị aha oghere.
    • Oghere aha mpaghara: Nke a nwere aha mpaghara nke ọrụ. A na-emepụta oghere aha a mgbe akpọrọ ọrụ, ọ na-adịru naanị ruo mgbe ọrụ ahụ weghachiri nsonaazụ.
    • Oghere aha zuru ụwa ọnụ: Nke a nwere aha modul dị iche iche nke oru ngo na-ebubata n'oge a na-eme ya, a na-emepụta oghere aha mgbe a na-ebuba modul n'ime edemede ahụ ma na-adịru ruo mgbe a kwụsịrị.
    • Oghere aha arụnyere ⁤: Nke a nwere ọrụ arụnyere na aha ewepụrụ. A na-emepụta oghere aha a mgbe amalitere onye ntụgharị okwu Python wee na-anọ ruo mgbe emechiri onye ntụgharị okwu.
  • Ambit: Ihe oghere Aha dị na koodu na-ezo aka na ngalaba koodu ebe enwere ike ịnweta aha ma ọ bụ oghere aha na-enweghị prefix ọ bụla Dabere na otu aha si akọwapụta ya, enwere ike ịnweta ya site na koodu zuru ụwa ọnụ) ma ọ bụ naanị site na mpaghara ya oke).
  • Iwu oke: Ihe iwu oke Iwu Python na-akọwa otú mmemme ahụ ga-esi chọwa oghere aha iji dozie aha bụ isi bụ “Iwu LEGB,” nke na-anọchi anya Mpaghara -> Ntinye -> Global -> Wuru n’ime ya. Nke a pụtara na Eke Ọgba ga-ebu ụzọ chọọ ebe aha mpaghara ahụ, wee chọba aha ebe mmechi kacha nso, mechaa aha aha zuru ụwa ọnụ, na n'ikpeazụ aha ebe arụnyere n'ime ya.
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Ajụjụ na Azịza

1. Gịnị bụ namespace na Python?

Oghere aha na Python bụ usoro iji hụ na aha dị na mmemme anaghị agafe. Nke ọ bụla aha na Python bụ nke aha oghere a kapịrị ọnụ⁤. Enwere ike ịkọwa ihe ndị a site n'aka onye ọrụ ma ọ bụ Python n'onwe ya dịka akụkụ nke nhazi ya.

2. Kedu ka esi akọwa oghere aha na Python?

A kọwaghị oghere aha ozugbo na Python. A na-emepụta ha na-akpaghị aka mgbe a kọwapụtara ọrụ zuru ụwa ọnụ, klas, modul, ọnọdụ igbu, wdg. Nke ọ bụla n'ime ndị a nwere oghere aha ya.

3. Kedu otu esi enweta aha na Python?

Ị nwere ike ịnweta mgbanwe na oghere aha site na iji aha agbanwe agbanwe. Ọ bụrụ na mgbanwe ahụ dị na modul, klaasị ma ọ bụ ọrụ, ị ga-eji akara nhọpụta akara, ya bụ, module_name.variable_name.

4. Kedu ka esi eji aha aha na Python mee ihe nke ọma?

Ọ dị mkpa were aha di iche iche maka mgbanwe dị iche iche na aha aha dị iche iche iji zere mgbagwoju anya. Na mgbakwunye, ị ga-eji akara aha ziri ezi iji nweta mgbanwe ndị ahụ.

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5. Python nwere ike inwe oghere aha akwụrụ?

Ee, Python nwere ike ịnwe ⁢ oghere aha akwụrụ. Nke a na-eme mgbe akọwapụtara ọrụ ma ọ bụ klaasị n'ime ọrụ ma ọ bụ klaasị ọzọ.

6. Gịnị bụ aha oghere maka na Python?

A na-eji oghere aha na Python mee ihe zere esemokwu aha Na koodu. Ha na-enye gị ohere ịnwe mgbanwe ndị nwere otu aha na oghere aha dị iche iche na-enweghị njehie ma ọ bụ mgbagwoju anya na-eme n'etiti ha.

7. Gịnị bụ scope iwu na kedu ka eji ha na Python?

Iwu scoping na Python, nke a makwaara dị ka LEGB (Local, Enclosing, Global, Built-in), na-ekpebi usoro Python na-achọ mgbanwe na oghere aha mpaghara, mgbe ahụ na aha oghere na-emechi, mgbe ahụ na aha oghere ụwa niile na n'ikpeazụ na namespace arụnyere n'ime.

8. Gịnị bụ a⁢ Global namespace na Python?

Oghere aha zuru ụwa ọnụ na Python nwere aha niile akọwapụtara na ‌ top larịị nke isi edemede. Enwere ike ịnweta aha ndị a n'ebe ọ bụla na koodu.

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9. Kedu ihe bụ oghere aha mpaghara na Python?

Oghere aha mpaghara na Python nwere aha niile akọwapụtara n'ime a kpọmkwem ọrụ ma ọ bụ usoro. Aha ndị a na-enweta naanị site na ọrụ ma ọ bụ usoro ahụ.

10. Kedu ihe bụ oghere aha wuru na Python?

Oghere aha arụnyere n'ime ⁤Python nwere aha arụrụ arụrụ arụ na ihe ndị ọzọ bụ. dịnụ mgbe niile na Python⁤ n'agbanyeghị oke koodu ahụ.