We almost lost map/filter/lambda in the python3 transition: https://www.artima.com/weblogs/viewpost.jsp?thread=98196 https://www.artima.com/weblogs/viewpost.jsp

We almost lost map/filter/lambda in the python3 transition: https://www.artima.com/weblogs/viewpost.jsp?thread=98196 https://www.artima.com/weblogs/viewpost.jsp?thread=98196