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Post 🐍Python

5 November 2020
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Python self-study
🐍Python ⏺Python versiyalariga qarab turli xil kodlarda yoziladi Masalan: Python 2.x ASCII kodidan foydalansa Python 3.x Unicode (Bizga tanish UTF-8 ) kodidan foydalanadi ⚪️Satrlar bilan ishlash Satrlar UTF-8 kodirofkasidagi belgilar orqali yoziladi . Pythonda satrlar apostrof ( '_______' ) yoki qo'shtirnoqlar ("_______") orqali berilishi mumkin bundan tashqari 3 ta ketma-ket kelgan apostrof ham satrlarni ifodalashda qo'llanishi mumkin . 🔲-kod 🔳-konsol 🔲 x="python" y='self' print(x,y) 🔳python self 🔘Maxsus belgilar Pythonda satrlar bilan ishlash uchun maxsus belgilar . \t – tabulyatsiya belgisi; (bitta Tab 4 ta probel tashlaydi ) \n – yangi satrga o'tish belgisi; \’ – apostrof belgisi; \” – qo'shtirnoq belgisi. 🔲print("python self\n\"Assalomu alaykum\"\tOlam") 🔳python self "Assalomu alaykum" Olam 🔘Satrlarni taqqoslash Satrlarni taqqoslash uchun satrda ishtirok etayotgan belgilarning registriga (Harflarning katta kichikligiga ) alohida e`tibor qaratish lozim. Har qanday raqam ixtiyoriy alfavit belgisidan shartli kichik Hamda KATTA REGISTRLI alfavit belgilari kichik registrli avfavit belgilaridan shartli kichik sanaladi. Yani : 2<K<k *️⃣Harflar va sonlar qanday taqqoslanadi deyish mumkin lekin taqqoslashda Harf va sonlar taqqoslanmasdan balki UTF-8 dagi kodlari taqqoslanadi Bundan tashqari satrlar uzunligiga ham e'tibor berish lozim abcd<abcde 🔴Satrda ishlash uchun funksiyalar upper()—satrdagi hamma so'zni katta registrga o'tkazadi lower()—satrdagi hamma so'zni kichik registrga o'tkazadi 🔲 str0="KiToB" str1=str0.upper() str2=str0.lower() print(str1) print(str2) 🔳 KITOB kitob @python_self
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