云主机怎么选

import tencentcloud.common.credentials
import tencentcloud.common.profile
import tencentcloud.cvm.v20170312.cvm_client

# 设置凭证信息
credentials = tencentcloud.common.credentials.Credentials("SecretId", "SecretKey")
# 设置区域信息
region = "ap-guangzhou"
# 实例化客户端
client = tencentcloud.cvm.v20170312.cvm_client.CvmClient(credentials, region)

# 创建实例请求
request = tencentcloud.cvm.v20170312.models.RunInstancesRequest()
request.ImageId = "img-xxxxxx"
request.InstanceType = "S2.SMALL1"
request.InstanceChargeType = "POSTPAID_BY_HOUR"
request.InstanceName = "TestInstance"
request.Placement = {"Zone": "ap-guangzhou-2"}
request.SystemDisk = {"DiskType": "CLOUD_PREMIUM", "DiskSize": 50}
request.VirtualPrivateCloud = {"VpcId": "vpc-xxxxxx", "SubnetId": "subnet-xxxxxx"}

# 发起请求
response = client.RunInstances(request)
print(response.to_json_string(indent=2))