Seymore4Head wrote:
Say I want a
Grocery list and it will have a maximum size of 50 items.
In Python it's actually easier to deal with variable-sized
lists having no maximum size. Instead of pre-creating a list
of a given size, just start with an empty list and append
things to it.
Unless there's some external reason for a size limit (e.g.
you can't fit more than 50 items in your shopping bag)
there's no need to impose limit at all. You should
certainly start without a limit and only add it later
if needed.
Some things to get you started:
items = [] # Start with an empty list
items.append("cheese") # Add some items to it
items.append("eggs")
items.append("milk")
for item in items: # Process the items
print(item)
If you really need to limit the number of items, you
can do something like this:
def add_item(item):
if len(items) < 50:
items.append(item)
else:
raise Exception("Shopping list is full")
--
Greg
--
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