hello.py~

from flask import Flask,url_for,render_template
app = Flask(__name__)

@app.route('/')
def index():
	return 'Index Page'

@app.route('/user/<username>')
def show_user_profile(username):
	return 'User is %s' % username

@app.route('/post/<int:post_id>')
def show_post(post_id):
	return 'Post %d' % post_id
@app.route('/login',methods=['GET','POST'])
def login():
	if request.method == 'POST':
		do_the_login()
	else:
		show_the_login_form()
@app.route('/hello/')
@app.route('/hello/<name>')
def hello(name=None):
	return render_template('hello.html',name=name)

@app.route('/data/<name>')
def showdata():
	data=['apple','pear','banana']
	return render_template('showdata.html',data=data)

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