The url for() function is used to dynamically create a URL to a certain function. This function is useful in that it allows us to dynamically construct URLs rather than hard-coding them into the templates.
The endpoint in Flask is not named after the module. It just defaults to the name of the function. The endpoint name is determined (unless you define one explicitly) and stored with the route registration when you register a view (with the @app. route() decorator).
Use flask. request. args. get() to get parameters from a URL
@app. route("/")
def hello():
return request. args. get("page_number")
app. run(host="0.0.0.0", port=8080)
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