Quoting Alan G <[EMAIL PROTECTED]>: > > Quant.append( [ db_ticker, stock_close, MTD, 0, QTD, 0, YTD, 0, > > 0, 0 ] ) > > After Quant is created, I want to sort it by MTD. If I use a simple > > Quant.sort(), I assume its going to sort by 'db_ticker' which is not > > what I want. > you need to write your own comparison function. > Basically it will take two of your lists and return -1,0 or 1. > > Or you can use Python's own logic to help > > def cmplists(lst1,lst2): > return cmp(lst1[2],lst2[2]) > > Now you can sort Quant by passing your function into sort...
Note that in Python2.4+, you can use key= instead: def sortKey(lst): return lst[2] Quant.sort(key=sortKey) This is more effient than specifying a different comparison function, because the key function is only called once for each element. -- John. _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
