Hello/hello.py

from flask import Flask

app = Flask(__name__)

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

@app.route('/user',methods=['POST'])
def hello_user():
    return 'hello user'

@app.route('/user1')
def hello_user1():
    return 'hello user1'

if __name__ == '__main__':
    app.run(port=50001, debug=True)