Frog/frog.py

from flask import Flask
from flask import request
from flask import make_response
from flask import redirect
from flask import render_template
from flask import url_for
app=Flask(__name__)

@app.route('/')
def index():
    return render_template('index.html')

@app.route('/post/')
def posts():
    allposts=[{'id':1,'title':'title1'},{'id':2,'title':'title2'}]
    return render_template('posts.html',posts=allposts)

@app.route('/post/<int:id>')
def post(id):
    return render_template('post.html',id=id)

@app.route('/article/')
def article():
    return redirect(url_for('posts'))