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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

bookCreating a Set

In Python, there are several ways to create sets.

  1. You can use the built-in set() function and pass the desired elements to it;
  2. You can place a sequence of elements inside curly braces and separate them with commas.

Here are some key points about sets:

  • They are mutable;
  • Sets only contain unique elements. If you add duplicate elements when creating a set, they'll be removed in the final set;
  • The order of elements in a set is not guaranteed;
  • Set elements can be of various data types.

Let's dive into an example. First, we'll create a set using the set() function.


              
123

            
# Creating a set which contains strings
set_ = set("Python")
print(set_)
copy

Next, we'll create sets using curly braces.


              
123456

            
# Creating a set which contains strings
set_1 = {'hello', 'world'}
print(set_1)
# Creating a set which contains numbers
set_2 = {10, 5, 6, 2, 8}
print(set_2)
copy

Task

Follow these steps:

  1. Make a set with strings as follows:
    'pineapple', 'pear', 'cherry' ;
  2. Construct a set with a mix of data types like this:
    'pear', 45, None, 'car', 'Joe', 12, 5.

Note

Please write values in the exact order given in the task instructions.

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Section 4. Chapter 1
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bookCreating a Set

In Python, there are several ways to create sets.

  1. You can use the built-in set() function and pass the desired elements to it;
  2. You can place a sequence of elements inside curly braces and separate them with commas.

Here are some key points about sets:

  • They are mutable;
  • Sets only contain unique elements. If you add duplicate elements when creating a set, they'll be removed in the final set;
  • The order of elements in a set is not guaranteed;
  • Set elements can be of various data types.

Let's dive into an example. First, we'll create a set using the set() function.


              
123

            
# Creating a set which contains strings
set_ = set("Python")
print(set_)
copy

Next, we'll create sets using curly braces.


              
123456

            
# Creating a set which contains strings
set_1 = {'hello', 'world'}
print(set_1)
# Creating a set which contains numbers
set_2 = {10, 5, 6, 2, 8}
print(set_2)
copy

Task

Follow these steps:

  1. Make a set with strings as follows:
    'pineapple', 'pear', 'cherry' ;
  2. Construct a set with a mix of data types like this:
    'pear', 45, None, 'car', 'Joe', 12, 5.

Note

Please write values in the exact order given in the task instructions.

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 1
toggle bottom row

bookCreating a Set

In Python, there are several ways to create sets.

  1. You can use the built-in set() function and pass the desired elements to it;
  2. You can place a sequence of elements inside curly braces and separate them with commas.

Here are some key points about sets:

  • They are mutable;
  • Sets only contain unique elements. If you add duplicate elements when creating a set, they'll be removed in the final set;
  • The order of elements in a set is not guaranteed;
  • Set elements can be of various data types.

Let's dive into an example. First, we'll create a set using the set() function.


              
123

            
# Creating a set which contains strings
set_ = set("Python")
print(set_)
copy

Next, we'll create sets using curly braces.


              
123456

            
# Creating a set which contains strings
set_1 = {'hello', 'world'}
print(set_1)
# Creating a set which contains numbers
set_2 = {10, 5, 6, 2, 8}
print(set_2)
copy

Task

Follow these steps:

  1. Make a set with strings as follows:
    'pineapple', 'pear', 'cherry' ;
  2. Construct a set with a mix of data types like this:
    'pear', 45, None, 'car', 'Joe', 12, 5.

Note

Please write values in the exact order given in the task instructions.

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 Python, there are several ways to create sets.

  1. You can use the built-in set() function and pass the desired elements to it;
  2. You can place a sequence of elements inside curly braces and separate them with commas.

Here are some key points about sets:

  • They are mutable;
  • Sets only contain unique elements. If you add duplicate elements when creating a set, they'll be removed in the final set;
  • The order of elements in a set is not guaranteed;
  • Set elements can be of various data types.

Let's dive into an example. First, we'll create a set using the set() function.


              
123

            
# Creating a set which contains strings
set_ = set("Python")
print(set_)
copy

Next, we'll create sets using curly braces.


              
123456

            
# Creating a set which contains strings
set_1 = {'hello', 'world'}
print(set_1)
# Creating a set which contains numbers
set_2 = {10, 5, 6, 2, 8}
print(set_2)
copy

Task

Follow these steps:

  1. Make a set with strings as follows:
    'pineapple', 'pear', 'cherry' ;
  2. Construct a set with a mix of data types like this:
    'pear', 45, None, 'car', 'Joe', 12, 5.

Note

Please write values in the exact order given in the task instructions.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 4. Chapter 1
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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