An warware: %27str%27 abu bashi da sifa %27cire%27

Duniyar shirye-shirye na iya cika da abubuwan mamaki, musamman idan muka fuskanci kurakurai da ba mu taɓa gani ba. Ɗayan irin wannan kuskuren da masu haɓaka Python za su iya fuskanta shine "% 27str%27 abu ba shi da sifa %27cire%27" kuskure. Wannan kuskuren yana faruwa ne yayin ƙoƙarin amfani da hanyar “cire” akan abin kirtani, wanda ba aiki mai inganci ba ne a Python. A cikin wannan labarin, za mu shiga cikin dalilin wannan kuskure kuma mu samar da mafita, tare da bayanin mataki-mataki na lambar. Bugu da ƙari, za mu tattauna dakunan karatu masu dacewa da ayyuka waɗanda za su iya taimakawa hana irin waɗannan batutuwa a nan gaba.

Tushen “%27str%27 abu ba shi da sifa %27cire%27” kuskure ya ta’allaka ne a cikin gaskiyar cewa a Python, kirtani ba su canzawa. Wannan yana nufin da zarar an ƙirƙiri kirtani, ba za a iya gyara shi ba. Hanyar “cire” ba ta wanzu don abubuwan kirtani, kamar yadda ake amfani da ita da farko don lissafin. Don warware wannan batu, muna buƙatar nemo wata hanya dabam don cimma ayyukan da ake so, kamar yin amfani da hanyar "maye gurbin" ko lissafin fahimta.

string_example = "Hello, world!"
character_to_remove = "l"
new_string = string_example.replace(character_to_remove, "")
print(new_string)

A cikin snippet na lambar da ke sama, mun yi amfani da hanyar "maye gurbin" don cire ƙayyadadden halayen daga kirtani. Hanyar “maye gurbin” tana ɗaukar gardama guda biyu: na farko shine ƙaramin igiyoyin da za a maye gurbinsu, na biyu kuma shine sabon layin da za a yi amfani da shi. Ta hanyar wuce kirtani mara komai a matsayin hujja ta biyu, muna cire halayen da ake so yadda ya kamata.

Fahimtar Lissafi: Hanyar Madadin

Wata hanya don cire takamaiman hali daga kirtani ita ce ta amfani da fahimtar lissafi. Wannan hanyar ta ƙunshi madauki ta kowane hali a cikin kirtani kuma kawai ƙara shi zuwa sabon kirtani idan bai dace da halin da za a cire ba. Ga yadda za a iya yi:

string_example = "Hello, world!"
character_to_remove = "l"
new_string = "".join([char for char in string_example if char != character_to_remove])
print(new_string)

A cikin wannan misalin, mun yi amfani da fahimtar lissafi don ƙirƙirar sabon jeri mai ɗauke da duk haruffan da basu dace da halin da za a cire ba. Daga nan muka yi amfani da hanyar “haɗa” don mu mayar da lissafin zuwa kirtani.

Hanyar String Python da Dakunan karatu

Python yana ba da ɗimbin yawa hanyoyin kirtani wanda zai iya taimakawa tare da ayyuka daban-daban na sarrafa igiyoyi. Wasu daga cikin hanyoyin da aka fi amfani da su sun haɗa da "tsitsi", "raga", "babba", da "ƙananan". Har ila yau, Python's re (na yau da kullum) ɗakin karatu ana iya amfani da shi don ƙarin hadaddun tsarin daidaitawa da ayyukan gyarawa.

import re

string_example = "Hello, world!"
pattern_to_remove = "l"
new_string = re.sub(pattern_to_remove, "", string_example)
print(new_string)

A cikin snippet ɗin lambar da ke sama, mun yi amfani da hanyar “sub” daga ɗakin karatu don cire duk abubuwan da suka faru na takamaiman tsari daga kirtani. Wannan na iya zama da amfani musamman lokacin da ake mu'amala da rikitattun alamu ko haruffa da yawa don cirewa.

A taƙaice, "% 27str%27 abu ba shi da sifa %27cire%27" kuskure yana faruwa ne ta hanyar ƙoƙarin amfani da hanyar "cire" akan abin kirtani, wanda ba a tallafawa a cikin Python saboda yanayin da ba zai iya canzawa ba. Madadin hanyoyin, kamar yin amfani da hanyar "maye gurbin" ko lissafin fahimta, ana iya amfani da su don cire haruffa daga kirtani. Bugu da ƙari, fahimtar hanyoyin ginannen hanyoyin kirtani na Python da sake ɗakin karatu na iya taimakawa cikin ƙwarewa wajen sarrafa ayyuka daban-daban na sarrafa kirtani.