cptn.spoon wrote:
On Feb 9, 3:58 pm, Paul Rubin <http://phr...@nospam.invalid> wrote:
"cptn.spoon" <cptn.sp...@gmail.com> writes:
I'm not asking for tips on the program itself, I just can't figure out
how to get the data structures in place. Would I use Classes or would
I use dictionaries? Am I completely off the mark with this?
Typically you would use a class for the multi-fielded data structure;
a dictionary is intended more for lookup tables where you don't know
ahead of time what the keys will be.  Also, you'd typically use a list
[1,2,3] rather than a tuple (1,2,3) to hold the price list.

Thanks Paul! I thought this might be the case. So how would I get the
StockMarket class instance to contain many Stock class instances and
then be able to iterate through them? I'm guessing the basic structure
would be as follows...but I think I'm wrong:

class StockMarket:
  pass


I would start with using a list for StockMarket.

class Stock:
  def __init__(self, stockname, stockpricelist[], stockrisk,
stockqty):
    self.stockname = stockname
    self.stockpricelist[] = stockpricelist[]
    self.stockrisk = stockrisk
    self.stockqty = stockqty

I would remove the redundant 'stock' from all the parameter and attribute names. (And call 'qty' 'quantity'.)

You will iterating like so:

for stock in StockMarket:
print(stock.name, stock.quantity,.... or whatever, and the iteration variable makes clear that a stock is a Stock.

tjr

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