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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

Accessing the Elements of a SetAccessing the Elements of a Set

Since a set is an unordered collection, you can't access its elements by index because they don't have indices. However, you can verify whether an element exists within the set using the in keyword.

It's especially handy to use the in keyword with a for loop. Let's check out an example.

Task

Here's your set:

You need to determine if "pear", "banana", and "lemon" are in the set.

Everything was clear?

Section 4. Chapter 4
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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

Accessing the Elements of a SetAccessing the Elements of a Set

Since a set is an unordered collection, you can't access its elements by index because they don't have indices. However, you can verify whether an element exists within the set using the in keyword.

It's especially handy to use the in keyword with a for loop. Let's check out an example.

Task

Here's your set:

You need to determine if "pear", "banana", and "lemon" are in the set.

Everything was clear?

Section 4. Chapter 4
toggle bottom row
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