this post was submitted on 27 Jul 2024
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Just started learning python - question about types of statements. (lemmy.world)
submitted 3 months ago by joshthewaster@lemmy.world to c/learn_programming@programming.dev
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Just started as in, I'm about an hour into a 4 hour intro video. Seeing two basic ways of manipulating things and don't understand the difference.

If I want to know the length of a string and I just guess at how to do it I would try one of these two things,

  1. Len(string)
  2. string.len()

What is the difference between these types of statements? How do I think about this to know which one I should expect to work?

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[–] Rooki@programming.dev -1 points 3 months ago (1 children)

The first one is the approach of Functional Programming language (e.g. Python ) and the second one is the approach for Object orientated languages (e.g. Java, C#)

[–] FizzyOrange@programming.dev 8 points 3 months ago (1 children)

Python is not a functional language. It's highly imperative. For example if-else is a statement, not an expression.

An obvious counter-example is Rust which uses .len() and is a quite functional language (much more than Python).

Also object oriented languages aren't the "opposite" of functional languages. Guess what the O stands for in OCaml.

[–] Rooki@programming.dev -3 points 3 months ago (1 children)

Rust is Object Orientated Language.

Python is a function Orientated Language. ( Python 3 is less but its still has that orientation )
Because python is a scripting language and their Object Orientated Features are not that expanded like a "normal" Object Orientated Language like C# or Java.

https://en.wikipedia.org/wiki/Object-oriented_programming

[–] FizzyOrange@programming.dev 0 points 3 months ago

Not sure where to start with this but... no lol.