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Python Data Structures
course content

Contenuti del Corso

Python Data Structures

Python Data Structures

1. Mastering Python Lists
Creating Lists in Python: Declaring and Initializing ListsList Indexing in Python: Accessing Elements EfficientlyWorking with Nested Lists in PythonPython List Length: Measuring and Managing List SizeModifying Lists in Python: Updating and Changing ElementsUsing the append() Method: Adding Elements to ListsUsing the insert() Method: Placing Elements at Specific PositionsDeleting Elements in Python Lists: Removing Items SafelyUsing the remove() Method: Deleting Specific Elements from Lists
2. Mastering Python Dictionaries
Creating a Dictionary in Python: Storing Key-Value PairsAccessing Dictionary ValuesAccessing Dictionary KeysAdding Items to a Dictionary: Updating Key-Value PairsUsing the del Keyword: Removing Dictionary EntriesUsing the pop() Method: Deleting Elements with Return ValuesUsing the popitem() Method: Removing the Last Inserted ItemUsing the clear() Method: Emptying a Dictionary Completely
3. Mastering Python Tuples
Creating a Tuple in Python: Defining Immutable Data StructuresAccessing Elements in a Tuple: Indexing TechniqueConcatenating Tuples in Python: Merging Immutable SequencesDeleting Tuples in Python: Removing References to TuplesUpdating Tuples in PythonAdding Items to a Tuple: Alternative Approaches Using ListsCounting Elements in a Tuple: Using the count() MethodFinding Elements in a Tuple: Using the index() Method for Lookup
4. Mastering Python Sets
Creating a Set in Python: Defining Unordered CollectionsUsing the add() Method: Adding Single Elements to a SetUsing the update() Method: Merging Multiple Elements into a SetAccessing Elements in a Set: Iteration and Membership TestingUsing the remove() and discard() MethodsUsing the clear() Method: Removing All Elements from a Set

book
Adding Items to a Tuple: Alternative Approaches Using Lists

To add elements to a tuple, you can use the same approach that's effective for deletion. Since tuples are immutable, we can't directly add an element to them without encountering an error. However, there are workarounds to add new elements to a tuple. Let's explore two common approaches.


              
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# Original tuple of movies
movies = ("Inception", "Interstellar", "Tenet")

# Convert the tuple to a list
movies_list = list(movies)

# Add a new movie to the list
movies_list.append("Dunkirk")

# Convert the list back to a tuple
movies = tuple(movies_list)

print("After:", movies)
copy

Another way to add an element to a tuple is by concatenating it with another tuple. This is something we explored a few chapters back. If you want to add one or more elements, simply create a new tuple with these elements and combine it with the original tuple.


              
12345678910

            
# Original tuple of movies
movies = ("Inception", "Interstellar", "Tenet")

# Create a new tuple with the movie to add
new_movies = ("Dunkirk",)

# Concatenate the tuples
movies += new_movies

print(movies)
copy
Compito

Swipe to start coding

You are given the tuple animal_movies.

  • Add two new movies to this tuple: "Dumbo" and "Zootopia".
  • You can use any method to add them, either by converting to a list or by concatenating tuples.

Soluzione

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Sezione 3. Capitolo 6
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book
Adding Items to a Tuple: Alternative Approaches Using Lists

To add elements to a tuple, you can use the same approach that's effective for deletion. Since tuples are immutable, we can't directly add an element to them without encountering an error. However, there are workarounds to add new elements to a tuple. Let's explore two common approaches.


              
12345678910111213

            
# Original tuple of movies
movies = ("Inception", "Interstellar", "Tenet")

# Convert the tuple to a list
movies_list = list(movies)

# Add a new movie to the list
movies_list.append("Dunkirk")

# Convert the list back to a tuple
movies = tuple(movies_list)

print("After:", movies)
copy

Another way to add an element to a tuple is by concatenating it with another tuple. This is something we explored a few chapters back. If you want to add one or more elements, simply create a new tuple with these elements and combine it with the original tuple.


              
12345678910

            
# Original tuple of movies
movies = ("Inception", "Interstellar", "Tenet")

# Create a new tuple with the movie to add
new_movies = ("Dunkirk",)

# Concatenate the tuples
movies += new_movies

print(movies)
copy
Compito

Swipe to start coding

You are given the tuple animal_movies.

  • Add two new movies to this tuple: "Dumbo" and "Zootopia".
  • You can use any method to add them, either by converting to a list or by concatenating tuples.

Soluzione

Switch to desktopCambia al desktop per esercitarti nel mondo realeContinua da dove ti trovi utilizzando una delle opzioni seguenti
Tutto è chiaro?

Come possiamo migliorarlo?

Grazie per i tuoi commenti!

Sezione 3. Capitolo 6
Switch to desktopCambia al desktop per esercitarti nel mondo realeContinua da dove ti trovi utilizzando una delle opzioni seguenti
Siamo spiacenti che qualcosa sia andato storto. Cosa è successo?
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