flask web code example

Example 1: python flask

from flask import Flask

app = Flask(__name__)

@app.route('/')
def index():
  return "Hello world!" #if you want to render a .html file, 
                        # import render_template from flask and use 
                        #render_template("index.html") here.

if __name__ == '__main__':
    app.debug = True
    app.run() #go to http://localhost:5000/ to view the page.

Example 2: flask

from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, World!'

Example 3: flask page

from flask import Flask		# Imports flask
app = Flask(__name__)		# Setting up the app

@app.route('/')				# Sets the route for the page
def hello_world():			
    return 'Hello, World!'	# Returns 'Hello, World' wheen
							# you go to the '/' or main page