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import requests

cache = dict()

def get_article_from_server(url):

print("Fetching article from server...")

response = requests.get(url)

return response.text

def get_article(url):

print("Getting article")

if url not in cache:

cache[url] = get_article_from_server(url)

return cache[url]

if __name__ == "__main__":

get_article("https://realpython.com/sorting-algorithms-python")

get_article("https://realpython.com/sorting-algorithms-python")