how to get a variable uuid of repo?

[zffocussss]

Hi:
I try to use python sdk to manage the variables in a repo.According to https://developer.atlassian.com/cloud/bitbucket/rest/api-group-pipelines/#api-repositories-workspace-repo-slug-pipelines-config-variables-variable-uuid-get,if I want to update a variable named "qww" listed in repository variables,I have to get the uuid of this variable.