"""Create a new world from the map description and randomly place food until the given percentage of the free space is filled. If the food amount is greater or equal than 1 then it's interpreted as the number of food objects to include.
"""Create a new world from the map description and randomly place food until the given percentage of the free space is filled. If the food amount is greater or equal than 1 then it's interpreted as the number of food objects to include.