real world example of threads

real_world.py

import requests
from threading import Thread

class PDFDownloader(Thread):
   def __init__(self, url, filename):
       super().__init__()
       self.url = url
       self.filename = filename

   def run(self):
       response = requests.get(self.url)
       with open(self.filename, "wb") as f:
           f.write(response.content)
       print(f"{self.filename} downloaded successfully!")

def main():
   urls = [
       "https://example.com/document1.pdf",
       "https://example.com/document2.pdf",
       "https://example.com/document3.pdf",
       "https://example.com/document4.pdf",
       "https://example.com/document5.pdf"
   ]
   threads = []

   for i, url in enumerate(urls):
       filename = f"document{i+1}.pdf"
       thread = PDFDownloader(url, filename)
       thread.start()
       threads.append(thread)


   for thread in threads:
       thread.join()

if __name__ == "__main__":
   main()