import resource
import traceback

def limit_memory(maxsize):
    soft, hard = resource.getrlimit(resource.RLIMIT_AS)
    resource.setrlimit(resource.RLIMIT_AS, (maxsize, hard))



if __name__=="__main__":
    limit_memory(20)
    try:
        list_a = []
        _i = 0
        while True:
            _i += 1
            print(_i)
            list_a.append("aaaaaaaaaaaaaaaaa")
    except Exception as e:
        print("Memory error 1")
        traceback.print_exc()