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 | from flask import Flaskfrom gevent import monkey
 from gevent.pywsgi import WSGIServer
 monkey.patch_all()
 app = Flask(__name__)
 
 @app.route("/")
 def hello():
 return "Welcome to Flask!"
 
 if __name__ == "__main__":
 http_server = WSGIServer(('0.0.0.0', 5000), app)
 http_server.serve_forever()
 
 |