Get, Post, Update & Delete using Flask

index.py

class User(Resource):
    
    def get(self, name):
        for user in users:
            if(name == user["name"]):
                return user, 200
        return "User not found", 404

    def post(self, name):
        parser = reqparse.RequestParser()
        parser.add_argument("age")
        parser.add_argument("occupation")
        args = parser.parse_args()
        
        for user in users:
            if(name == user["name"]):
                return "User with name {} already exists.".format(name), 400
        
        user = {
                "name": name,
                "age": args["age"],
                "occupation": args["occupation"]
                }
        
        users.append(user)
        return user, 201
        
    def put(self, name):
        parser = reqparse.RequestParser()
        parser.add_argument("age")
        parser.add_argument("occupation")
        args = parser.parse_args()
        
        for user in users:
            if(name == user["name"]):
                user["age"] = args["age"]
                user["occupation"] = args["occupation"]
                return user, 200
        
        user = {
                "name": name,
                "age": args["age"],
                "occupation": args["occupation"]
                }
        user.ppend(user)
        return user, 201
        
    def delete(self, name):
        global users
        users = [user for user in users if user["name"] != name]
        return "{} is deleted.".format(name),200