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cURL cheat sheet

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What pure functions are, and why do more of them

Pure functions make our code much better. Learn what pure functions are and how they make our code better.

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What are dunder methods in Python?

Dunder methods are methods with special meaning in Python. We look into what they are and why they're called the whey they are.

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Difference between statement and expression

Every expression is a statement, but not every statement is an expression. What makes expression different?

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Difference between function and method

Functions and methods are similar concepts, but they're not the same. Let's see what the difference between them is.

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What is an iterator in Python

The iterator is one of the core objects in Python. Understanding iterators is crucial to mastering Python. We'll look at how iterators work, and we'll also create our own iterators.

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What is an iterable in Python

Iterable is a ubiquitous concept in Python. What exactly makes an object iterable, and which built-in objects are iterables? We'll also create our own iterables.

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Why is the first index of the array (list) 0?

The index of the first item in the array (list) is 0. This article explains why that is.

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Lists are arrays in Python

Lists in Python are actually arrays - with all the consequences.

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Tuple comprehensions in Python

Python does not have tuple comprehensions. But there is a way.

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