Python offers you different types of comprehensions: `list`

, `dict`

, and `set`

.

We'll concentrate on the first one for now, and then it will be easy to explain the other two.

A `list`

comprehension is a quick way of making a list. Usually the list is the result of some operation that may involve applying a function, filtering, or building a different data structure.

Let's start with a very simple example I want to calculate a list with the squares of the first 10 natural numbers. How would you do it? There are a couple of equivalent ways:

`squares.map.py`

# If you code like this you are not a Python guy! ;)>>> squares = []>>> for n in range(10):... squares.append(n ** 2)...>>> list(squares)[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]# This is ...

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