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from flask import Flask, request, send_from_directory

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app = Flask(__name__)

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@app.route('/html/<path:path>')
def send_html(path):
    return send_from_directory('html', path)

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@app.route('/save', methods=['GET', 'POST'])
def save():
    if request.method == 'POST':
        return 'This is POST: %s' % request.form.get('username', '')
    else:
        return 'This is GET: %s' % request.args.get('username', '')

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app.run()

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