There is a good explanation of why it is costly to use + for concatenating a large number of strings here. Plus operator is perfectly fine solution to concatenate two Python strings. But if you keep …

Sep 17, 2012 · The result of join is always a string, but the object to be joined can be of many types (generators, list, tuples, etc)..join is faster because it allocates memory only once. Better …

Dec 7, 2012 · a = ['hello1', 'hello2', 'hello3'] ','.join(a) I would like to have 'and' instead of a comma before the last element of the list. So I would get: hello 1, hello 2 and hello 3. instead of....

Nov 13, 2010 · The reason for using str.join() is that adding strings together means creating a new string (and potentially destroying the old ones) for each addition. Python can sometimes …

Jul 20, 2023 · In python 3.x join() is used to join a thread with the main thread i.e. when join() is used for a particular thread the main thread will stop executing until the execution of joined …

Dec 29, 2011 · In most cases you want to use your pythonic '.'.join() approach, but there are legitimate, pythonic uses for str.join() (formerly string.join()) too. For example, you sometimes …

Jan 28, 2013 · print("\n".join(['I', 'would', 'expect', 'multiple', 'lines'])) Now that was the short answer. Your Python Interpreter, which is actually a REPL, always displays the representation …

Sets don't have a join method but you can use str.join instead. ', '.join(set_3) The str.join method will work on any iterable object including lists and sets. Note: be careful about using this on …

Apr 2, 2017 · As you can see, there is punctuation. I want to call .join using a blank space except for the cases where the string is punctuation, then I don't want a separator. What's the best …

For questions regarding tertiary-level Python assignment problems, you may want to try reading the relevant documentation / paying attention in course. This is one of the first things you …