Week 2 Unit 2: Self-test

Question 1

Which of the following statements about list indices are correct?

Note: There are 3 correct answers to this question.

Lists have negative indices.

✅

The last element of a list always has the index "-0."

❌

Individual elements of a list can be accessed using an index.

✅

The index of a list element is always equal to the value of the element.

❌

If a list contains 5 elements, the index of the last element has the value 4.

✅

Question 2

What value does the variable x have after the following statements have been executed?

1

❌

3

❌

4

❌

2

✅

Question 3

What value does the variable x have after the following statements have been executed?

[1, 2, 3]

❌

4

❌

2

❌

[4, 5, 6, 7]

✅

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