Exploring Python Lists

Which of the following is the correct way to access the first element in the list `my_list = [10, 20, 30, 40, 50]`?

• `my_list[0]`

• `my_list[1]`

• `my_list[-1]`

• `my_list[5]`

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DOK Level 1: Recall

What does the `append` method do in Python lists?

• Adds an element to the end of the list

• Adds an element at a specified index

• Removes the first occurrence of a specified value

• Removes the last element of the list

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DOK Level 1: Recall

What is the output of the following list slicing operation: `my_list = [1, 2, 3, 4, 5]; my_list[2:5]`?

• `[1, 2, 3]`

• `[2, 3, 4]`

• `[3, 4, 5]`

• `[2, 3, 4, 5]`

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DOK Level 2: Skill/Concept

Which method would you use to remove an element at a specified index in a list?

• `remove()`

• `pop()`

• `del`

• `clear()`

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DOK Level 1: Recall

What is the output of the following code snippet? ```python my_list = [1, 2, 3, 4, 5] my_list.pop(2) print(my_list) ```

• `[1, 2, 3, 4, 5]`

• `[1, 2, 4, 5]`

• `[1, 3, 4, 5]`

• `[2, 3, 4, 5]`

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DOK Level 2: Skill/Concept

Given the list `numbers = [10, 20, 30, 40, 50]`, write a Python code snippet to replace the second element with 25.

• `numbers[1] = 25`

• `numbers[2] = 25`

• `numbers.insert(1, 25)`

• `numbers.append(25)`

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DOK Level 3: Strategic Thinking

What is the result of the following list slicing operation: `my_list = [1, 2, 3, 4, 5]; my_list[:3]`?

• `[1, 2, 3]`

• `[2, 3, 4]`

• `[3, 4, 5]`

• `[1, 2, 3, 4]`

Tags

DOK Level 1: Recall

What is the result of the following list slicing operation: `my_list = [1, 2, 3, 4, 5]; my_list[1:4]`?

• `[1, 2, 3]`

• `[2, 3, 4]`

• `[3, 4, 5]`

• `[1, 2, 3, 4]`

What is the position of the name "Robert" in the following list:

• 0
• 1
• 2
• 3

List items have an index number. In the following list, which item has the index number of 3?

["John", "Harry", "Jesse", "John", "Harry", "Harry"]

• "John"

• "Harry"

• "Jesse"