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Learn Updating Tuples in Python | Mastering Python Tuples
Python Data Structures

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Updating Tuples in Python

To modify values within a tuple, you can use a technique similar to the one for deletion. Because a tuple is immutable, you can't directly alter its elements without encountering an error.

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movie_ratings = (8.8, 9.0, 7.5, 6.8) # Attempting to modify a tuple directly movie_ratings[1] = 8.9 # Output: Error: 'tuple' object does not support item assignment
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However, by converting the tuple to a list, you can easily make the desired changes.

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current_movies = ("Inception", "Interstellar", "Tenet", "Dunkirk") # Step 1: Convert the tuple to a list movies_list = list(current_movies) # Step 2: Update the second and third movie titles movies_list[1] = "Memento" movies_list[2] = "The Prestige" # Step 3: Convert the list back to a tuple current_movies = tuple(movies_list) print(current_movies)
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Task

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You are given a new tuple containing genres, called movie_genres.

  • Convert the tuple into a list and assign it to the variable temp_list.
  • Replace the element "Drama" with "Thriller".
  • Replace the element "Horror" with "Adventure".
  • Convert the list back into a tuple and assign the value to the variable movie_genres.
  • Delete the temporary list.

Solution

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SectionΒ 3. ChapterΒ 5

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book
Updating Tuples in Python

To modify values within a tuple, you can use a technique similar to the one for deletion. Because a tuple is immutable, you can't directly alter its elements without encountering an error.

123
movie_ratings = (8.8, 9.0, 7.5, 6.8) # Attempting to modify a tuple directly movie_ratings[1] = 8.9 # Output: Error: 'tuple' object does not support item assignment
copy

However, by converting the tuple to a list, you can easily make the desired changes.

12345678910111213
current_movies = ("Inception", "Interstellar", "Tenet", "Dunkirk") # Step 1: Convert the tuple to a list movies_list = list(current_movies) # Step 2: Update the second and third movie titles movies_list[1] = "Memento" movies_list[2] = "The Prestige" # Step 3: Convert the list back to a tuple current_movies = tuple(movies_list) print(current_movies)
copy
Task

Swipe to start coding

You are given a new tuple containing genres, called movie_genres.

  • Convert the tuple into a list and assign it to the variable temp_list.
  • Replace the element "Drama" with "Thriller".
  • Replace the element "Horror" with "Adventure".
  • Convert the list back into a tuple and assign the value to the variable movie_genres.
  • Delete the temporary list.

Solution

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!

SectionΒ 3. ChapterΒ 5
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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