Lawrence D’Oliveiro writes: > On Tuesday, August 16, 2016 at 6:53:24 PM UTC+12, Jussi Piitulainen wrote: >> Lawrence D’Oliveiro writes: >> >>> Why could this difference be important? >> >> Different comprehensions (pun!) and performance characteristics. > > A potential difference in memory usage. When could this be important? > Consider a situation where the iterable being mapped is returning > records from a database query. If it were a million records, you might > not want them all in memory at the same time.
That's what I meant by different performance characteristics, and I agree that it's an important difference. -- https://mail.python.org/mailman/listinfo/python-list
