Deleting Elements in Python Lists: Removing Items Safely
The del
keyword allows you to delete an element at a specific index in the list. This is useful when you know the exact position of the item you want to remove.
The syntax of del
keyword is:
del list[index]
- The statement starts with the keyword
del
; - Next, you typically identify the list item with its index, like
list[index]
.
Let's say you have a list of cities in your travel itinerary:
travel_wishlist = ["Paris", "Oslo", "Kyoto", "Sydney"]
You've decided to remove the city "Sydney", which is the last destination on your list. Using del
and negative indexing:
12345travel_wishlist = ["Paris", "Oslo", "Kyoto", "Sydney"] # Remove the last city del travel_wishlist[-1] print(travel_wishlist) # Output: ['Paris', 'Oslo', 'Kyoto']
Now, the list is down to three cities:
You can remove any item from the list by using its index number.
Swipe to start coding
You are working with the travel_wishlist
list.
- Remove the
"Paris"
and"Kyoto"
cities from yourtravel_wishlist
. - Use the
del
keyword two times to do this.
Solution
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Deleting Elements in Python Lists: Removing Items Safely
Swipe to show menu
The del
keyword allows you to delete an element at a specific index in the list. This is useful when you know the exact position of the item you want to remove.
The syntax of del
keyword is:
del list[index]
- The statement starts with the keyword
del
; - Next, you typically identify the list item with its index, like
list[index]
.
Let's say you have a list of cities in your travel itinerary:
travel_wishlist = ["Paris", "Oslo", "Kyoto", "Sydney"]
You've decided to remove the city "Sydney", which is the last destination on your list. Using del
and negative indexing:
12345travel_wishlist = ["Paris", "Oslo", "Kyoto", "Sydney"] # Remove the last city del travel_wishlist[-1] print(travel_wishlist) # Output: ['Paris', 'Oslo', 'Kyoto']
Now, the list is down to three cities:
You can remove any item from the list by using its index number.
Swipe to start coding
You are working with the travel_wishlist
list.
- Remove the
"Paris"
and"Kyoto"
cities from yourtravel_wishlist
. - Use the
del
keyword two times to do this.
Solution
Thanks for your feedback!
Awesome!
Completion rate improved to 3.23single