def list_launch_configurations(region=None, key=None, keyid=None, profile=None):
 ret = get_all_launch_configurations(region, key, keyid, profile)
 return [r.name for r in ret]

def list_launch_configurations ( region = None , key = None , keyid = None , profile = None ) : ret = get_all_launch_configurations ( region , key , keyid , profile ) return [ r . name for r in ret ]
list all launch configurations .