1from flask import Flask
2app = Flask(_name_)
3
4@app.route("/")
5def hello():
6 return "hello world!"
7 app.run()
8
9
10
1from flask import Flask
2app = Flask(__name__) # underscore should be two times before and after name
3
4@app.route("/")
5def hello():
6 return "hello world!"
7 app.run()