Working with Lists
Let’s get introduced to some of the properties and methods of a list.
As discussed, a List is a type of object that has particular properties and particular methods that it can perform. Let’s look at some of them below.
Indexing
Lists use zero-based indexing. This means that the first element of a list is located at the 0th index.
Since each element has its own position, a list can contain duplicates of a single element because each duplicate is still unique in its position. For instance, we can have a list with five identical elements as shown below.
Accessing an element
To access an element at a particular index we can use square brackets ([]
).
The general syntax is as follows:
listName[index]
Let’s look at an example below.
main() {var listOfVegetables = ['potato', 'carrot', 'cucumber'];print(listOfVegetables[1]);}
In the code snippet above, we are accessing the second element of the list listOfVegetables
, which is the element at the index 1.
Finding the length of a list
The length of a list is simply the number of elements in that list. To find the length of a list, ...
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