Pythonda uchta asosiy modul mavjud: 1) o'zingiz yozgan, 2) tashqi manbalardan o'rnatilgan 3) Python bilan oldindan o'rnatilgan modullar.
Python bilan oldindan o'rnatilgan modullar ro'yxati string, re, datetime, math, random, os, multiprocessing, subprocess, socket, email, json, doctest, unittest, pdb, argparse va sys
Modul bu loyiha ichidagi class, funksiya va o'zgaruvchilardan tashkil topgan alohida fayl bo'lib dastur kodini tushunarli va ixchamlashtirish uchun xizmat qiladi.
C/C++ dasturlash tilida yozilgan kod fayllarini ham python dasturiga chaqirib olish mumkin.
Shaxsiy tajribamdan kelib chiqib dasturning asosiy kod bolaklarini main.py faylida ma'lumotlar ombori bilan ishlash qismini baza.py faylida saqlayman. baza nomli moduldagi elementlarni main.py fayli ichida quyidagi ko'rinishda chaqiramiz.
# main.py from baza import satr print(satr) print(number )
NameError: name 'number' is not defined Moduldagi satr
Ushbu kodda number nom xatosi kelib chiqdi buni tuzatish uchun main.py faylidagi kodga o'zgartirish kiritamiz.
# main.py from baza import satr, number print(satr) print(number)
Moduldagi satr 7
Moduldan chaqiriladigan elementlar ko'p bo'lganda ushbu usullardan foydalanishingiz mumkin. 1-usul importdan keyin 1 dona ko'paytiruv belgisidan foydalanib # main.py from baza import * print(satr) print(number)
Moduldagi satr 7
2-usul modul nomi 1 ta nuqta va undan keyin funksiya yoki o'zgaruvchilarni nomini yozish orqali # main.py import baza print(baza.satr) print(baza.number)
Moduldagi satr 7
Modullar nomi uzun bo'lganda as operatoridan foydalanib modulga qisqa nom berish mumkin. # main.py import baza as ba print(ba.satr) print(ba.number)
Pythonda uchta asosiy modul mavjud: 1) o'zingiz yozgan, 2) tashqi manbalardan o'rnatilgan 3) Python bilan oldindan o'rnatilgan modullar.
Python bilan oldindan o'rnatilgan modullar ro'yxati string, re, datetime, math, random, os, multiprocessing, subprocess, socket, email, json, doctest, unittest, pdb, argparse va sys
Modul bu loyiha ichidagi class, funksiya va o'zgaruvchilardan tashkil topgan alohida fayl bo'lib dastur kodini tushunarli va ixchamlashtirish uchun xizmat qiladi.
C/C++ dasturlash tilida yozilgan kod fayllarini ham python dasturiga chaqirib olish mumkin.
Shaxsiy tajribamdan kelib chiqib dasturning asosiy kod bolaklarini main.py faylida ma'lumotlar ombori bilan ishlash qismini baza.py faylida saqlayman. baza nomli moduldagi elementlarni main.py fayli ichida quyidagi ko'rinishda chaqiramiz.
# main.py from baza import satr print(satr) print(number )
NameError: name 'number' is not defined Moduldagi satr
Ushbu kodda number nom xatosi kelib chiqdi buni tuzatish uchun main.py faylidagi kodga o'zgartirish kiritamiz.
# main.py from baza import satr, number print(satr) print(number)
Moduldagi satr 7
Moduldan chaqiriladigan elementlar ko'p bo'lganda ushbu usullardan foydalanishingiz mumkin. 1-usul importdan keyin 1 dona ko'paytiruv belgisidan foydalanib # main.py from baza import * print(satr) print(number)
Moduldagi satr 7
2-usul modul nomi 1 ta nuqta va undan keyin funksiya yoki o'zgaruvchilarni nomini yozish orqali # main.py import baza print(baza.satr) print(baza.number)
Moduldagi satr 7
Modullar nomi uzun bo'lganda as operatoridan foydalanib modulga qisqa nom berish mumkin. # main.py import baza as ba print(ba.satr) print(ba.number)
Bitcoin is built on a distributed digital record called a blockchain. As the name implies, blockchain is a linked body of data, made up of units called blocks that contain information about each and every transaction, including date and time, total value, buyer and seller, and a unique identifying code for each exchange. Entries are strung together in chronological order, creating a digital chain of blocks. “Once a block is added to the blockchain, it becomes accessible to anyone who wishes to view it, acting as a public ledger of cryptocurrency transactions,” says Stacey Harris, consultant for Pelicoin, a network of cryptocurrency ATMs. Blockchain is decentralized, which means it’s not controlled by any one organization. “It’s like a Google Doc that anyone can work on,” says Buchi Okoro, CEO and co-founder of African cryptocurrency exchange Quidax. “Nobody owns it, but anyone who has a link can contribute to it. And as different people update it, your copy also gets updated.”
Among the actives, Ascendas REIT sank 0.64 percent, while CapitaLand Integrated Commercial Trust plummeted 1.42 percent, City Developments plunged 1.12 percent, Dairy Farm International tumbled 0.86 percent, DBS Group skidded 0.68 percent, Genting Singapore retreated 0.67 percent, Hongkong Land climbed 1.30 percent, Mapletree Commercial Trust lost 0.47 percent, Mapletree Logistics Trust tanked 0.95 percent, Oversea-Chinese Banking Corporation dropped 0.61 percent, SATS rose 0.24 percent, SembCorp Industries shed 0.54 percent, Singapore Airlines surrendered 0.79 percent, Singapore Exchange slid 0.30 percent, Singapore Press Holdings declined 1.03 percent, Singapore Technologies Engineering dipped 0.26 percent, SingTel advanced 0.81 percent, United Overseas Bank fell 0.39 percent, Wilmar International eased 0.24 percent, Yangzijiang Shipbuilding jumped 1.42 percent and Keppel Corp, Thai Beverage, CapitaLand and Comfort DelGro were unchanged.