12. Manipulating lists
The chapter focuses on manipulating lists in Python, detailing operations such as appending, extending, and removing elements. It highlights the importance of understanding mutability and how certain operations can alter the original list or create a new one. Additionally, the chapter covers key functions related to list operations, emphasizing best practices in list manipulation.
12 sections
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Sections
Navigate through the learning materials and practice exercises.
What we have learnt
- Lists are mutable objects, and reassignment can affect original lists.
- The append and extend methods alter lists in place, while concatenation creates a new list.
- Care must be taken when using remove and other list functions to avoid errors.
Key Concepts
- -- Mutable Objects
- Objects in Python whose values can be changed after creation, such as lists.
- -- Append Method
- A method that adds a single element to the end of a list without creating a new list.
- -- Extend Method
- A method that adds multiple elements from another list to the end of a list.
- -- Slicing
- A method for accessing a range of elements in a list, allowing for modification of sublists.
- -- Remove Method
- A method that eliminates the first occurrence of a specified value from a list.
- -- Check Membership
- Using the expression x in l to verify if an element exists within a list.
Additional Learning Materials
Supplementary resources to enhance your learning experience.