random

random.py

requestedProducts = […..]; # input array of products we have to make
For next shift:
	nextShiftProducts = [];  # keeps track of current shift products
	# as long as the sum of this shift products are less than 8 we can try to add another product
	while sum(nextShiftProducts hours) < 8:  
		
		for every requestedProducts:
			if product.hours + sum(nextShiftProducts hours) < 8: # if we can add this product
				add product to nextShiftProducts
				remove product from requestedProducts
				continue; # try to fill again remaining hours with another product
		  break; # if we are here then none of the products could be used for this shift