def merge_sort(arr):
    if len(arr) <= 1:
        return arr
    mid = len(arr) // 2
    left_half = merge_sort(arr[:mid])
    right_half = merge_sort(arr[mid:])
    return merge(left_half, right_half)

def merge(left, right):
    merged = []
    left_index = 0
    right_index = 0
    while left_index < len(left) and right_index < len(right):
        if left[left_index] <= right[right_index]:
            merged.append(left[left_index])
            left_index += 1
        else:
            merged.append(right[right_index])
            right_index += 1
    merged += left[left_index:]
    merged += right[right_index:]
    return merged

import timeit
print(timeit.timeit('"-".join(str(n) for n in range(100))', number=10000))

import timeit
def my_function():
    return "-".join(str(n) for n in range(100))
print(timeit.timeit(my_function, number=10000))

import time

start_time = time.time()

# Код, скорость выполнения которого вы хотите измерить
for i in range(0, 10000):
    pass

end_time = time.time()

execution_time = end_time - start_time
print(f"Время выполнения: {execution_time} секунд")

print("Привет\nМир")

Привет
Мир

print("Привет\tМир")

Привет   Мир

import cProfile

def sum_of_numbers():
    return sum(range(100000))

cProfile.run('sum_of_numbers()')

import requests
url = '<https://example.com/image.jpg>'
response = requests.get(url)
with open('image.jpg', 'wb') as f:
    f.write(response.content)

import requests

headers = {'referer': 'https://nottka.com/4364-yoshinao-nakada-etude-allegro.html'}
response = requests.get('https://nottka.com/index.php?do=download&id=4420', headers=headers)
with open('4420.pdf', 'wb') as file:
    file.write(response.content)

from selenium import webdriver

driver = webdriver.Firefox() # или любой другой браузер
driver.get('<http://www.example.com>')

import time

while True:
    driver.refresh() # обновляем страницу
    time.sleep(10) # ждем 10 секунд

import keyboard

def hello_world():
    print("Привет, Мир!")

keyboard.add_hotkey('ctrl + h', hello_world)
keyboard.wait()

[server]
host = "127.0.0.1"
port = 8000

[database]
user = "admin"
password = "secret"

import toml

config = toml.load('config.toml')
print(config)

{
  'server': {
    'host': '127.0.0.1',
    'port': 8000
  },
  'database': {
    'user': 'admin',
    'password': 'secret'
  }
}

import asyncio
from pyppeteer import launch

async def take_screenshot(url, save_path):
    browser = await launch()
    page = await browser.newPage()
    await page.goto(url)
    await page.screenshot({'path': save_path})
    await browser.close()

url = '<https://www.example.com>'
save_path = 'example.png'
asyncio.get_event_loop().run_until_complete(take_screenshot(url, save_path))

import asyncio
from pyppeteer import launch

async def test_website(url):
    browser = await launch()
    page = await browser.newPage()
    await page.goto(url)
    await page.click('#myButton')
    await page.waitForSelector('#myResult')
    result = await page.evaluate('document.querySelector("#myResult").innerText')
    await browser.close()
    return result

url = '<https://www.example.com>'
asyncio.get_event_loop().run_until_complete(test_website(url))