Need to know how to do the same in shared drive.
I was able to create a subfolder in my drive using:
file_metadata = {
'supportsAllDrives':True,
'parents': ['twLBZwLdxfBKTEX0VUUr6'],
'name': "new folderrrrr sub",
'mimeType': 'application/vnd.google-apps.folder',
}
file = DRIVE.files().create(body=file_metadata,
fields='id', supportsAllDrives=True, supportsTeamDrives=True).execute()```