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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

bookDel Keyword

In a dictionary, you can remove keys using the del keyword. With it, you can delete specific entries or even the entire dictionary. Here's how you can do it:


              
123456

            
# Creating a dictionary
dict_1 = {10: 'apple', 20: 'banana', 15: 'cherry', 30: 'apricot', 27: 'grape'}
# Deleting a key value
del dict_1[30]

print(dict_1)
copy

Task

Consider this dictionary:

{'country_1': 'India', 'country_2': 'Latvia', 'country_3': 'Panama', 'country_4': 'Serbia'}

Your goal is to modify it to look like this:

{'country_2': 'Latvia', 'country_3': 'Panama'}

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 5
toggle bottom row

bookDel Keyword

In a dictionary, you can remove keys using the del keyword. With it, you can delete specific entries or even the entire dictionary. Here's how you can do it:


              
123456

            
# Creating a dictionary
dict_1 = {10: 'apple', 20: 'banana', 15: 'cherry', 30: 'apricot', 27: 'grape'}
# Deleting a key value
del dict_1[30]

print(dict_1)
copy

Task

Consider this dictionary:

{'country_1': 'India', 'country_2': 'Latvia', 'country_3': 'Panama', 'country_4': 'Serbia'}

Your goal is to modify it to look like this:

{'country_2': 'Latvia', 'country_3': 'Panama'}

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 5
toggle bottom row

bookDel Keyword

In a dictionary, you can remove keys using the del keyword. With it, you can delete specific entries or even the entire dictionary. Here's how you can do it:


              
123456

            
# Creating a dictionary
dict_1 = {10: 'apple', 20: 'banana', 15: 'cherry', 30: 'apricot', 27: 'grape'}
# Deleting a key value
del dict_1[30]

print(dict_1)
copy

Task

Consider this dictionary:

{'country_1': 'India', 'country_2': 'Latvia', 'country_3': 'Panama', 'country_4': 'Serbia'}

Your goal is to modify it to look like this:

{'country_2': 'Latvia', 'country_3': 'Panama'}

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!

In a dictionary, you can remove keys using the del keyword. With it, you can delete specific entries or even the entire dictionary. Here's how you can do it:


              
123456

            
# Creating a dictionary
dict_1 = {10: 'apple', 20: 'banana', 15: 'cherry', 30: 'apricot', 27: 'grape'}
# Deleting a key value
del dict_1[30]

print(dict_1)
copy

Task

Consider this dictionary:

{'country_1': 'India', 'country_2': 'Latvia', 'country_3': 'Panama', 'country_4': 'Serbia'}

Your goal is to modify it to look like this:

{'country_2': 'Latvia', 'country_3': 'Panama'}

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 2. Chapter 5
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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