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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

bookAccessing 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.


              
1234

            
set_1 = {"green", "red", "white", "blue", "black"}

for i in set_1:
    print(i)
copy

              
1234

            
set_ = {"green", "red", "white", "blue", "black"}

print("red" in set_)
print("yellow" in set_)
copy

Task

Here's your set:

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

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 4. Chapter 4
toggle bottom row

bookAccessing 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.


              
1234

            
set_1 = {"green", "red", "white", "blue", "black"}

for i in set_1:
    print(i)
copy

              
1234

            
set_ = {"green", "red", "white", "blue", "black"}

print("red" in set_)
print("yellow" in set_)
copy

Task

Here's your set:

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

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 4. Chapter 4
toggle bottom row

bookAccessing 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.


              
1234

            
set_1 = {"green", "red", "white", "blue", "black"}

for i in set_1:
    print(i)
copy

              
1234

            
set_ = {"green", "red", "white", "blue", "black"}

print("red" in set_)
print("yellow" in set_)
copy

Task

Here's your set:

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

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!

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.


              
1234

            
set_1 = {"green", "red", "white", "blue", "black"}

for i in set_1:
    print(i)
copy

              
1234

            
set_ = {"green", "red", "white", "blue", "black"}

print("red" in set_)
print("yellow" in set_)
copy

Task

Here's your set:

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

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 4. Chapter 4
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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