On Friday, December 31, 2021 at 7:50:48 AM UTC+8, MRAB wrote: > On 2021-12-30 23:27, hongy...@gmail.com wrote: > > On Friday, December 31, 2021 at 7:04:24 AM UTC+8, Chris Angelico wrote: > >> Neither of these wants to be recursive, and writing them recursively > >> pollutes the function signature with parameters that really exist just > >> to be local variables. Passing an accumulator down is a terrible way > >> to demonstrate the beauty of recursion - it instead shows off how you > >> can shoehorn anything into recursion and make it worse in the process. > > > > Then what cases/scenarios can demonstrate the beauty of recursion? > > > Walking a tree.
There are many type of trees. Do you mean all of them? -- https://mail.python.org/mailman/listinfo/python-list