def ZonalComputeUrl(project, zone, collection, name):
    return ''.join([COMPUTE_URL_BASE, 'projects/', project, '/zones/', zone, '/', collection, '/', name])
def ZonalComputeUrl(project, zone, collection, name):
    return .join([COMPUTE_URL_BASE, 'projects/', project, '/zones/', zone, '/', collection, '/', name])