install flask for python 3 code example
Example 1: install flask
pip install -U Flask
Example 2: import flask
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
return 'Hello, World!'
pip install -U Flask
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
return 'Hello, World!'