submitted 1 month ago by bterwijn@programming.dev to c/python@programming.dev

20 comments fedilink hide all child comments

you are viewing a single comment's thread
view the rest of the comments

[-] wewbull@feddit.uk 2 points 1 month ago

As I would expect. Does the result surprise people?

If so, rename the arguments to fun() to be r, s, t, and u. Just inside the function. Does the obvious two scopes now make it clearer?

[-] shape_warrior_t@programming.dev 7 points 1 month ago

The fact that x += y modifies lists in place might be surprising if you're expecting it to be exactly equivalent to x = x + y.

[-] bterwijn@programming.dev 3 points 1 month ago

Yes, that is a surprise to many, in other languages 'x+=y' and 'x=x+y' are the same.

[-] sukhmel@programming.dev 2 points 1 month ago

To be fair, I had to read the linked question on SO to understand what was the possible alternative. I do expect that if I use += it is in place.

On the other hand with Python and Java I always keep forgetting if everything is by value or by reference, I really miss some extra clarity of the languages where you can see if something is mutable when passed to a function

[-] 5C5C5C@programming.dev 3 points 1 month ago

Looks like this whole post is an ad for someone's project. The links hardly have to do with the post.

[-] bterwijn@programming.dev 4 points 1 month ago* (last edited 1 month ago)

The "Solution" link gives the solution to the exercise, the "Explanation" link explains the Python data model concepts behind the exercise. If some parts are hard to understand let me know.