old_contents: #!/usr/bin/env python
  
  from flask import Flask
  
  
  app = Flask(__name__)
  
  
  @app.route('/')
  def index():
      return "Hello World!"
  
  
  app.run(debug=True)
  
new_contents: #!/usr/bin/env python
  
  from flask import Flask, jsonify
  
  
  app = Flask(__name__)
  
  
  @app.route('/')
  def index():
      return jsonify({"msg": "Hello World!"})
  
  
  @app.route('/v1/validations/')
  def list_validations():
      return jsonify({"TODO": "List existing validations"})
  
  
  @app.route('/v1/validations/<uuid>/')
  def show_validation(uuid):
      return jsonify({
          'uuid': uuid,
          'TODO': "return validation info",
      })
  
  
  @app.route('/v1/validations/<uuid>/run', methods=['PUT'])
  def run_validation(uuid):
      return jsonify({
          'TODO': "run the given validation",
      })
  
  
  app.run(debug=True)
  
subject: Add the basic validation routes