云服务器与云硬盘的区别

import tencentcloud.common.credentials
import tencentcloud.common.profile
import tencentcloud.common.exception
from tencentcloud.cvm.v20170312 import cvm_client, models

def create_instance_and_disk():
    try:
        cred = tencentcloud.common.credentials.Credentials("YOUR_SECRET_ID", "YOUR_SECRET_KEY")
        client = cvm_client.CvmClient(cred, "ap-guangzhou")
        
        # 创建云服务器实例
        request = models.RunInstancesRequest()
        request.ImageId = "img-xxxxxx"
        request.InstanceType = "S2.SMALL1"
        request.InstanceChargeType = "POSTPAID_BY_HOUR"
        response = client.RunInstances(request)
        instance_id = response.InstanceId
        
        # 创建云硬盘并附加到实例
        disk_request = models.CreateDisksRequest()
        disk_request.DiskType = "CLOUD_SSD"
        disk_request.DiskSize = 50
        disk_response = client.CreateDisks(disk_request)
        disk_id = disk_response.DiskId
        
        attach_request = models.AttachDisksRequest()
        attach_request.InstanceId = instance_id
        attach_request.DiskId = disk_id
        client.AttachDisks(attach_request)
        
        print(f"Instance created: {instance_id}, Disk attached: {disk_id}")
    except tencentcloud.common.exception.TencentCloudSDKException as err:
        print(err)

create_instance_and_disk()