New feature in Python 3.8

RE: New feature in Python 3.8

clem57 — Fri, 22 Nov 2019 14:32:20 GMT

I learned to program in the early 70s - ALGOL on an Elliot 803!

My teachers drummed into me the importance of readability, simplicity of expression and comments.

I have never forgotten that.

[mention:b7ba740b35ec45dc933b4e03cf0b9008:e9ed411860ed4f2ba0265705b8793d05]

I agree about readability, but the new style of camel case, etc just does not come too easily. Oh well, I will just have to adjust as best I can.[View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-d57db054-8ca4-47d8-9fd5-a35060c8a9aa/contentimage_5F00_403.png:16:16]

Clem

RE: New feature in Python 3.8

skywalker1211 — Wed, 13 Nov 2019 15:39:55 GMT

at first sight, it looks like comparison operator.

it saves one line, with reduce readability. i will still stick with the one without walrus operator.

i dont know if it is a good change, may be someday i will need it.

RE: New feature in Python 3.8

DAB — Tue, 12 Nov 2019 20:13:47 GMT

I can see the utility in testing incomplete programs.

DAB

RE: New feature in Python 3.8

ntewinkel — Tue, 12 Nov 2019 19:43:06 GMT

That seems to be a convergence to what other languages are doing.

The same thing in Swift looks like this:

[embed:dc8ab71f-3b98-42d9-b0f6-e21e02a0f8e2:3ef06e6b-9b7d-4651-b12d-db8be7f5e991:type=java&text=let+sample_data%3A+%5B%5BString%3A+Any%5D%5D+%3D+%5B%0A++++%5B%22userId%22%3A+1%2C++%22name%22%3A+%22rahul%22%2C+%22completed%22%3A+false%5D%2C%0A++++%5B%22userId%22%3A+1%2C+%22name%22%3A+%22rohit%22%2C+%22completed%22%3A+false%5D%2C%0A++++%5B%22userId%22%3A+1%2C++%22name%22%3A+%22ram%22%2C+%22completed%22%3A+false%5D%2C%0A++++%5B%22userId%22%3A+1%2C++%22name%22%3A+%22ravan%22%2C+%22completed%22%3A+false%5D%0A%5D%0A++%0Aprint%28%22Swift+output%22%29%0Afor+entry+in+sample_data+%7B%0A++++if+let+name+%3D+entry%5B%22name%22%5D+%7B%0A++++++++print%28%22found+name%3A+%5C%28name%29%22%29%0A++++%7D%0A%7D]

With lots of subtle and annoying syntax differences between all languages. arg.

I kind of prefer the readability of keeping things separate.

It also allows you to easily add a debug log statement in between the assignment and the if statement, if something comes up in the future.

Going back to the days of C, I recall some programmers chunking entire functions into a single line which only made sense to the most advanced programmers but made it completely illegible to anyone else.

To me, that's bad style. At some point a junior programmer will need to read your code. Or worse - you might need to read your OWN code a few years later to support it [View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-d57db054-8ca4-47d8-9fd5-a35060c8a9aa/contentimage_5F00_2516.png:16:16]

What's the reason for so many languages anyway? To me it seems to be very political, including patent pirates making life difficult.

For example, it looks like for Android development, Java is being replaced by Kotlin now because Oracle is starting to charge for the use of Java.

I might be interpreting that Kotlin move wrong.

Of course, I guess there's always just the fact that many people have many different preferences.

Cheers,

-Nico