On Sun, Sep 27, 2020 at 9:01 PM Stephane Tougard via Python-list <python-list@python.org> wrote: > > On 2020-09-27, 2qdxy4rzwzuui...@potatochowder.com > <2qdxy4rzwzuui...@potatochowder.com> wrote: > > As ChrisA noted, Python almost always Just Works without declarations. > > If you find yourself with a lot of global and/or nonlocal statements, > > perhaps you're [still] thinking in another language. > > > I don't really agree with that, trying to use an undeclared > object/variable/whatever : > > Python 3.7.7 (default, Aug 22 2020, 17:07:43) > [GCC 7.4.0] on netbsd9 > Type "help", "copyright", "credits" or "license" for more information. > >>> print(name) > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > NameError: name 'name' is not defined > >>> > > You can say it's not the "declaration" the issue, it's the "definition", > that's just a matter of vocabulary and it does not answer the question. > > In many non declarative language, if I do print($var), it just prints > and undefined value with returning an error. >
>>> name = "Fred" >>> print(name) Fred Lack of declaration doesn't imply that every variable is initialized to some null value. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
