concerning john conway life of death , a grid ,in which there alive cells, form a pattern .
This pattern is in the positioning 0 which is called generation 0 . a loop begins and the status of cells , in each generation , change so that the pattern change during each generation.
for example :
generation | numbers of alive cells
and so on
my question is :
how to know ****the numbers of alive cells** at each generation while the loop goes??**