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Python dasturlash maktabi
Funksiyalar (vazifalar) Oldindan belgilangan funksiyalarni ishlatishdan tashqari, def operatoridan foydalanib o'zingizning funksiyalaringizni yaratishingiz mumkin. Funksiya xuddi o'zgaruvchilarga o'xshab oldin yoziladi va keyin chaqiriladi. Funksiyadagi kod…
Ⓜ️ Modullar

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.

#baza.py
satr = 'Moduldagi satr'
number = 7
lugat = {1: 2}

# 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)

Moduldagi satr
7

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Ⓜ️ Modullar

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.

#baza.py
satr = 'Moduldagi satr'
number = 7
lugat = {1: 2}

# 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)

Moduldagi satr
7

@pythonuz

BY Python dasturlash maktabi


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How to Invest in Bitcoin?

Like a stock, you can buy and hold Bitcoin as an investment. You can even now do so in special retirement accounts called Bitcoin IRAs. No matter where you choose to hold your Bitcoin, people’s philosophies on how to invest it vary: Some buy and hold long term, some buy and aim to sell after a price rally, and others bet on its price decreasing. Bitcoin’s price over time has experienced big price swings, going as low as $5,165 and as high as $28,990 in 2020 alone. “I think in some places, people might be using Bitcoin to pay for things, but the truth is that it’s an asset that looks like it’s going to be increasing in value relatively quickly for some time,” Marquez says. “So why would you sell something that’s going to be worth so much more next year than it is today? The majority of people that hold it are long-term investors.”

Spiking bond yields driving sharp losses in tech stocks

A spike in interest rates since the start of the year has accelerated a rotation out of high-growth technology stocks and into value stocks poised to benefit from a reopening of the economy. The Nasdaq has fallen more than 10% over the past month as the Dow has soared to record highs, with a spike in the 10-year US Treasury yield acting as the main catalyst. It recently surged to a cycle high of more than 1.60% after starting the year below 1%. But according to Jim Paulsen, the Leuthold Group's chief investment strategist, rising interest rates do not represent a long-term threat to the stock market. Paulsen expects the 10-year yield to cross 2% by the end of the year. A spike in interest rates and its impact on the stock market depends on the economic backdrop, according to Paulsen. Rising interest rates amid a strengthening economy "may prove no challenge at all for stocks," Paulsen said.

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