Chapter 5 - Lists and Tuples

Question 1

What is a list?

Answer 1

A list in python is a type of sequence, like a string

Question 2

Examples of operations on lists?

Answer 2

• isEmpty() = Test for empty list
• append(item) = add a new item to list to the end of the list
• remove(item) = remove the first occurrence of an item from list
  -len() = return the number of items
  -index(item) = return the position of item
• insert( pos, item) = insert a new item at position pos
• pop() = remove and return the last item in the list
• pop(pos) = remove and return the item at postition pos

Question 3

is len() a function or method

Answer 3

function

Question 4

What are tuples?

Answer 4

similar to lists but they are immutable, which means that once defined, they cannot be changed.