bacher09 · September 20, 2014 11:00
diff --git a/flask_app.py b/flask_app.py
 from flask import Flask, render_template
 app = Flask(__name__)

 @app.route('/')
 def hello_world():
    return render_template('test.txt')

 if __name__ == '__main__':
    app.jinja_env.add_extension('jinja2.ext.do')
    app.run(debug=True)
diff --git a/test.txt b/test.txt
 {% set mylist = [1, 2, 3] %}
 {% do mylist.append(4) %}
 {{ mylist }}
	from flask import Flask, render_template
	app = Flask(__name__)

	@app.route('/')
	def hello_world():
	return render_template('test.txt')

	if __name__ == '__main__':
	app.jinja_env.add_extension('jinja2.ext.do')
	app.run(debug=True)