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Python Data Structures

List ComprehensionsList Comprehensions

Hi, welcome to the last but certainly not least chapter of the section on list functionality. List comprehensions are one of the favorite Pythonic ways for Python developers to create lists in a single line.

In essence, list comprehensions can be used to generate lists by applying functions to each element in the list.

Here is the general syntax:

For example:

This is roughly equivalent to the for-loop:

List Comprehansions with Conditions

You can also use conditions:

For example:

Which is equivalent to:

Let's practice:

Task

Suppose you have a list of temperatures in Fahrenheit and you want to convert them to Celsius.

Everything was clear?

Section 1. Chapter 11
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course content

Course Content

Python Data Structures

1. List

Creating a ListNested ListChallenge: Create a ListList IndexingList LengthLists Are MutableAppend() MethodInsert() MethodDeleting ElementsRemoving ElementsList Comprehensions

2. Dictionary

Creating a DictionaryChallenge: Craft the DictionaryExtraction of InformationAdding ItemsDel KeywordPop() MethodPopitem() MethodClear() MethodDictionary Comprehensions

3. Tuple

Creating a Tuple Accessing Elements of a TupleConcatenation of Tuples Delete a Tuple Update a TupleAdding Items Challenge: Concatenate Tuples

4. Set

Creating a SetAdd() MethodUpdate() MethodAccessing the Elements of a SetRemove() and Discard() MethodsClear() Method

Python Data Structures

List ComprehensionsList Comprehensions

Hi, welcome to the last but certainly not least chapter of the section on list functionality. List comprehensions are one of the favorite Pythonic ways for Python developers to create lists in a single line.

In essence, list comprehensions can be used to generate lists by applying functions to each element in the list.

Here is the general syntax:

For example:

This is roughly equivalent to the for-loop:

List Comprehansions with Conditions

You can also use conditions:

For example:

Which is equivalent to:

Let's practice:

Task

Suppose you have a list of temperatures in Fahrenheit and you want to convert them to Celsius.

Everything was clear?

Section 1. Chapter 11
toggle bottom row
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