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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

bookPop() Method

Dictionaries also have a pop() method that removes a key-value pair by its key and returns its value. If the specified key isn't found in the dictionary, a KeyError exception is raised.

The syntax is:


              
12345

            
fruits = { 'apple': 2, 'orange': 3, 'grapes': 4 }
first_element = fruits.pop('apple')

print(fruits)
print(first_element)
copy

In the following example, a KeyError exception will be raised since the dictionary does not contain the key 'guava'.


              
12

            
dict_1 = { 'apple': 2, 'orange': 3, 'grapes': 4 }
element = dict_1.pop('guava')
copy

Task

Consider this dictionary:

You need to remove the entries with the keys 1, 5, and 6 using the pop() method.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 2. Chapter 6
toggle bottom row

bookPop() Method

Dictionaries also have a pop() method that removes a key-value pair by its key and returns its value. If the specified key isn't found in the dictionary, a KeyError exception is raised.

The syntax is:


              
12345

            
fruits = { 'apple': 2, 'orange': 3, 'grapes': 4 }
first_element = fruits.pop('apple')

print(fruits)
print(first_element)
copy

In the following example, a KeyError exception will be raised since the dictionary does not contain the key 'guava'.


              
12

            
dict_1 = { 'apple': 2, 'orange': 3, 'grapes': 4 }
element = dict_1.pop('guava')
copy

Task

Consider this dictionary:

You need to remove the entries with the keys 1, 5, and 6 using the pop() method.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 2. Chapter 6
toggle bottom row

bookPop() Method

Dictionaries also have a pop() method that removes a key-value pair by its key and returns its value. If the specified key isn't found in the dictionary, a KeyError exception is raised.

The syntax is:


              
12345

            
fruits = { 'apple': 2, 'orange': 3, 'grapes': 4 }
first_element = fruits.pop('apple')

print(fruits)
print(first_element)
copy

In the following example, a KeyError exception will be raised since the dictionary does not contain the key 'guava'.


              
12

            
dict_1 = { 'apple': 2, 'orange': 3, 'grapes': 4 }
element = dict_1.pop('guava')
copy

Task

Consider this dictionary:

You need to remove the entries with the keys 1, 5, and 6 using the pop() method.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Dictionaries also have a pop() method that removes a key-value pair by its key and returns its value. If the specified key isn't found in the dictionary, a KeyError exception is raised.

The syntax is:


              
12345

            
fruits = { 'apple': 2, 'orange': 3, 'grapes': 4 }
first_element = fruits.pop('apple')

print(fruits)
print(first_element)
copy

In the following example, a KeyError exception will be raised since the dictionary does not contain the key 'guava'.


              
12

            
dict_1 = { 'apple': 2, 'orange': 3, 'grapes': 4 }
element = dict_1.pop('guava')
copy

Task

Consider this dictionary:

You need to remove the entries with the keys 1, 5, and 6 using the pop() method.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 2. Chapter 6
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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