flask dummy app

hello.py

from flask import Flask, request
app = Flask(__name__)

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

if __name__ == "__main__":
    app.run()

output.txt

Content-Length:
User-Agent: python-requests/2.3.0 PyPy/2.3.1 Darwin/13.3.0
Host: localhost:5000
Accept: */*
Content-Type:
Accept-Encoding: gzip, deflate