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Python Data Structures
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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

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Using the add() Method: Adding Single Elements to a Set

You can also add elements to a set. To do this, there's a specific add() method. It's important to note that with this method, you can add only one element at a time. So, if you want to add 4 elements, for example, you'll need to use this method 4 times. Let's check out an example.


              
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# Creating an empty set
favorite_movies = set()
print("Initial set:", favorite_movies)  # Output - Initial set: set()

# Adding movies to the set
favorite_movies.add("Inception")
favorite_movies.add("Interstellar")
favorite_movies.add("Tenet")
favorite_movies.add("Dunkirk")

print("Updated set:", favorite_movies)  # Output - Updated set: {'Interstellar', 'Dunkirk', 'Inception', 'Tenet'}
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The add() method is best used for adding single elements.

Compito

Swipe to start coding

You are given the set tarantino_movies.

  • Add the movie "Reservoir Dogs" to this set.
  • Add the movie "Once Upon a Time in Hollywood" to this set.
  • Use the add() method to accomplish this.

Soluzione

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Sezione 4. Capitolo 2
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book
Using the add() Method: Adding Single Elements to a Set

You can also add elements to a set. To do this, there's a specific add() method. It's important to note that with this method, you can add only one element at a time. So, if you want to add 4 elements, for example, you'll need to use this method 4 times. Let's check out an example.


              
1234567891011

            
# Creating an empty set
favorite_movies = set()
print("Initial set:", favorite_movies)  # Output - Initial set: set()

# Adding movies to the set
favorite_movies.add("Inception")
favorite_movies.add("Interstellar")
favorite_movies.add("Tenet")
favorite_movies.add("Dunkirk")

print("Updated set:", favorite_movies)  # Output - Updated set: {'Interstellar', 'Dunkirk', 'Inception', 'Tenet'}
copy

The add() method is best used for adding single elements.

Compito

Swipe to start coding

You are given the set tarantino_movies.

  • Add the movie "Reservoir Dogs" to this set.
  • Add the movie "Once Upon a Time in Hollywood" to this set.
  • Use the add() method to accomplish this.

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 4. Capitolo 2
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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