python
import random
import string
class URLShortener:
def __init__(self):
self.mapping = {}
def shorten_url(self, long_url):
short_url = self.generate_short_url()
self.mapping[short_url] = long_url
return short_url
def generate_short_url(self):
chars = string.ascii_letters + string.digits
short_url = ''.join(random.choice(chars) for _ in range(8))
return short_url
def redirect_to_long_url(self, short_url):
if short_url in self.mapping:
long_url = self.mapping[short_url]
print("Redirecting to:", long_url)
else:
print("Short URL not found.")
shortener = URLShortener()
long_url = "http://example.com/very/long/url/that/we/want/to/shorten"
short_url = shortener.shorten_url(long_url)
print("Short URL:", short_url)
shortener.redirect_to_long_url(short_url)
