Flask Hello World

Resources

Prereqs

pip install Flask
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The Basic Code

First, create hello.py.

from flask import Flask
app = Flask(__name__)

@app.route("/")
def hello():
    return "Hello World!"

if __name__ == "__main__":
    app.run()
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Now run python hello.py in the terminal. Once the server is up and running you can curl http://localhost:5000.