Kalmomin da aka tanada sune muhimmin sashi na shirye-shirye a Python. Kalmomi ne waɗanda ba za a iya amfani da su azaman masu ganowa ba, kamar sunaye masu canzawa, sunayen aji, ko sunayen ayyuka. Waɗannan kalmomi suna da ma'anoni na musamman a cikin harshe, kuma suna taka muhimmiyar rawa wajen ayyana tsari da halayen shirye-shirye. A cikin wannan labarin, za mu bincika kalmomin da aka tanada a cikin Python, mu fahimci mahimmancin su, kuma mu koyi yadda ake aiki a kusa da su idan an buƙata. Za mu kuma nutse cikin ayyuka, dakunan karatu, da sauran fannoni masu alaƙa da keɓaɓɓun kalmomi don ba ku cikakkiyar fahimtar batun.
Fahimtar Keɓaɓɓun Keywords a cikin Python
Keɓaɓɓun kalmomi a cikin Python ƙayyadaddun kalmomi ne waɗanda ke da mahimmanci na musamman a cikin harshe. Sun kasance wani ɓangare na haɗin gwiwar harshe kuma ana amfani da su don ayyana tsari, sarrafawa, da sauran mahimman abubuwan shirin. Tun da keɓaɓɓun kalmomi suna da takamaiman ma'ana a Python, bai kamata a yi amfani da su azaman masu ganowa kamar sunaye masu canzawa ko sunayen aiki ba.
Wasu misalan gama-gari na keɓaɓɓun kalmomi a cikin Python sune:
- if
- wani
- yayin da
- domin
- shigo da
- def
- class
- kokarin
- fãce
- a karshe
Yana da mahimmanci a tuna da waɗannan kalmomin lokacin shirye-shirye a cikin Python don guje wa kowane rikici da tabbatar da cewa lambar ku tana aiki lafiya.
Aiki A Wajen Keɓaɓɓun Kalmomi
Wani lokaci, ƙila ku ci karo da yanayi inda kuke buƙatar amfani da kalmar da aka keɓe azaman mai ganowa. A irin waɗannan lokuta, yana da mahimmanci a nemo hanyar da za a guje wa tashe-tashen hankula tare da syntax na harshen Python. Ɗaya daga cikin al'ada na yau da kullum shine ƙara ƙararrawa a ƙarshen kalmar.
# Using a reserved keyword as an identifier with an underscore class_ = "Example Class" finally_ = True
Wannan hanya tana ba ku damar amfani da keɓaɓɓun kalmomin shiga ba tare da tsoma baki tare da tsarin harshe ba ko haifar da kurakuran rubutu.
Bayanin mataki-mataki na Amfani da Keɓaɓɓun kalmomi a cikin Python
Bari mu yi tafiya ta hanyar aiki tare da keɓaɓɓun kalmomi a cikin Python mataki-mataki.
1. Gano keɓaɓɓun kalmomi: Mataki na farko shine gano mahimman kalmomin da aka tanada a Python. Kuna iya amfani da tsarin 'keyword' don duba cikakken jerin kalmomin da aka tanada a cikin harshen.
import keyword print(keyword.kwlist)
2. Nisantar keɓaɓɓun kalmomi a cikin lambar ku: Lokacin rubuta lambar Python, tabbatar cewa baku amfani da kowane keɓaɓɓen kalmomi azaman masu ganowa. Yi nazarin jerin kalmomin da aka tanada, kuma zaɓi madadin sunaye don masu canji, ayyuka, da azuzuwan.
3. Yin aiki a kusa da keɓaɓɓun kalmomi: Idan babu madadin amfani da keɓaɓɓen kalma, za ka iya ƙara ƙaranci a ƙarshen kalmar don sanya ta zama mai gano abin karɓa a cikin lambar ku.
Dakunan karatu da Ayyuka masu alaƙa da Mahimman kalmomi
Kamar yadda muka tattauna a baya, tsarin 'keyword' a Python yana ba da ayyuka daban-daban masu amfani da suka danganci keɓaɓɓun kalmomi. Wasu ayyuka masu amfani sun haɗa da:
- iskeyword(): Wannan aikin yana bincika idan kirtani da aka bayar ta keɓaɓɓiyar kalma ce. Yana dawowa Gaskiya idan kirtani kalma ce mai mahimmanci kuma arya ce in ba haka ba.
- kwlist: Wannan sifa ta 'keyword' module tana ba da jerin duk mahimman kalmomin da aka tanada a Python.
import keyword
# Check if a word is a reserved keyword
print(keyword.iskeyword("if")) # True
print(keyword.iskeyword("example_keyword")) # False
A ƙarshe, fahimtar keɓaɓɓun kalmomi a cikin Python yana da mahimmanci don rubuta ingantaccen shirye-shirye marasa kuskure. Ta hanyar sanin lokacin da yadda za a yi aiki a kusa da su, za ku iya tabbatar da cewa lambar ku tana gudana kamar yadda aka yi niyya kuma ku guje wa rikice-rikice tare da syntax na Python. Ka tuna don sake duba jerin kalmomin da aka tanadar lokaci-lokaci, zaɓi abubuwan gano masu dacewa don lambar ku, kuma yi amfani da tsarin 'keyword' don bincika keɓaɓɓun kalmomi idan ya cancanta.
