python flask编写api接口

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• hello.py

from flask import Flask  
from flask import request
from flask import redirect
from flask import jsonify
import json

app = Flask(__name__)
@app.route('/api/hello', methods=['GET'])

def start():
  return json.dumps({
    'code': '0'
  })

if __name__ == '__main__':
  app.run()

• 访问

http://127.0.0.1:5000/api/hello

{
code: "0"
}