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Python Data Structures
course content

Course Content

Python Data Structures

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

Removing Elements

Imagine you have this list:

You can also remove an item from the list by specifying its value. Here's how to do that.

Now, the list is down to two items instead of three:

  • tasks[0] reads 'email Ann';
  • tasks[1] reads 'meet with classmates'.

Note

With the remove() method, you can only take out one item at a time.

Task

You've got this list:

numbers = [10, 12, 14, 16, 18, 20]

Your goal is to end up with:

numbers = [12, 14, 16]

Task

You've got this list:

numbers = [10, 12, 14, 16, 18, 20]

Your goal is to end up with:

numbers = [12, 14, 16]

Everything was clear?

Section 1. Chapter 10
toggle bottom row

Removing Elements

Imagine you have this list:

You can also remove an item from the list by specifying its value. Here's how to do that.

Now, the list is down to two items instead of three:

  • tasks[0] reads 'email Ann';
  • tasks[1] reads 'meet with classmates'.

Note

With the remove() method, you can only take out one item at a time.

Task

You've got this list:

numbers = [10, 12, 14, 16, 18, 20]

Your goal is to end up with:

numbers = [12, 14, 16]

Task

You've got this list:

numbers = [10, 12, 14, 16, 18, 20]

Your goal is to end up with:

numbers = [12, 14, 16]

Everything was clear?

Section 1. Chapter 10
toggle bottom row

Removing Elements

Imagine you have this list:

You can also remove an item from the list by specifying its value. Here's how to do that.

Now, the list is down to two items instead of three:

  • tasks[0] reads 'email Ann';
  • tasks[1] reads 'meet with classmates'.

Note

With the remove() method, you can only take out one item at a time.

Task

You've got this list:

numbers = [10, 12, 14, 16, 18, 20]

Your goal is to end up with:

numbers = [12, 14, 16]

Task

You've got this list:

numbers = [10, 12, 14, 16, 18, 20]

Your goal is to end up with:

numbers = [12, 14, 16]

Everything was clear?

Imagine you have this list:

You can also remove an item from the list by specifying its value. Here's how to do that.

Now, the list is down to two items instead of three:

  • tasks[0] reads 'email Ann';
  • tasks[1] reads 'meet with classmates'.

Note

With the remove() method, you can only take out one item at a time.

Task

You've got this list:

numbers = [10, 12, 14, 16, 18, 20]

Your goal is to end up with:

numbers = [12, 14, 16]

Section 1. Chapter 10
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