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Using the insert() Method: Placing Elements at Specific Positions

What if we want to add an item not at the end of the list, but at a specific position? For this purpose, we use the insert() method.

The syntax for the insert() method is:


python

index: the position in the list where you want to add the new element. Remember, Python uses zero-based indexing;
element: the item you want to insert into the list.

Imagine planning a trip and having a list of cities you want to visit.


              123
            
travel_wishlist = ["Paris", "Oslo", "Kyoto", "Sydney"]

print(travel_wishlist)  # Output: ['Paris', 'Oslo', 'Kyoto', 'Sydney']

This list contains four items:

However, your plans change, and you decide to adjust the order of destinations. Now, you want to prioritize "Chicago" as the first destination.


              12345
            
travel_wishlist = ["Paris", "Oslo", "Kyoto", "Sydney"]

# Adding "Rome" as the first destination
travel_wishlist.insert(0, "Chicago")
print(travel_wishlist)  # Output: ['Chicago', 'Paris', 'Oslo', 'Kyoto', 'Sydney']

After this, "Chicago" takes the 0 index. It's now at the top, and the rest of the items have shifted down. So, we now have 5 items:

Note

With the insert() function, you can add only one item at once.

Task

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You have the travel_wishlist list.

Prioritize two specific cities for your travels using the insert() method.

Add the "London" city as the new first destination in your list;
Then, add the "Budapest" city right after the trip to "Paris".

Solution

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Section 1. Chapter 7

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Using the insert() Method: Placing Elements at Specific Positions

What if we want to add an item not at the end of the list, but at a specific position? For this purpose, we use the insert() method.

The syntax for the insert() method is:


python

index: the position in the list where you want to add the new element. Remember, Python uses zero-based indexing;
element: the item you want to insert into the list.

Imagine planning a trip and having a list of cities you want to visit.


              123
            
travel_wishlist = ["Paris", "Oslo", "Kyoto", "Sydney"]

print(travel_wishlist)  # Output: ['Paris', 'Oslo', 'Kyoto', 'Sydney']

This list contains four items:

However, your plans change, and you decide to adjust the order of destinations. Now, you want to prioritize "Chicago" as the first destination.


              12345
            
travel_wishlist = ["Paris", "Oslo", "Kyoto", "Sydney"]

# Adding "Rome" as the first destination
travel_wishlist.insert(0, "Chicago")
print(travel_wishlist)  # Output: ['Chicago', 'Paris', 'Oslo', 'Kyoto', 'Sydney']

After this, "Chicago" takes the 0 index. It's now at the top, and the rest of the items have shifted down. So, we now have 5 items:

Note

With the insert() function, you can add only one item at once.

Task

Swipe to start coding

You have the travel_wishlist list.

Prioritize two specific cities for your travels using the insert() method.

Add the "London" city as the new first destination in your list;
Then, add the "Budapest" city right after the trip to "Paris".

Solution

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Thanks for your feedback!

Section 1. Chapter 7

Switch to desktop for real-world practiceContinue from where you are using one of the options below