from flask import Flask , render_template
app = Flask ( __name__ )
@app.route('/hello/<name>')
def hello ( name = None ):
    user = {'name': name}
    return render_template ('hello.html', user = user )

@app.route('/')
def default():
    return ("Hello!")
if __name__ == "__main__":
    app.run(host ='0.0.0.0', debug = True )
