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Python Lists and List Operations

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Questions and Answers

What does the list method insert(i,x) do?

Appends item x to list y

Inserts item x to list y at position i (correct)

Deletes item x from list y

Returns the number of times x appears in list y

What does the list method remove(x) do?

Removes the first item from list y that has a value of x (correct)

Inserts item x to list y at the front

Appends item x to list y

Deletes item x from list y

What does the del statement do in Python when used with a list?

Appends a new item to a list

Deletes an item in a list (correct)

Reverses the items in a list

Sorts the items in a list

What error is raised when trying to access an index out of bound in a list?

IndexError: list index out of range (B) Signup and view all the answers

What is the output of the code 'print('a b c'.split())'?

[a, b, c] (D) Signup and view all the answers

What does the expression len(['p', 's', 'y']) return?

3 (D) Signup and view all the answers

What does the code 2 * ['a'] produce?

['a', 'a'] (C) Signup and view all the answers

What does the method remove() do for a list?

Removes the first occurrence of a specific value from the list (C) Signup and view all the answers

Which function is used to find the number of elements in a list?

len() (B) Signup and view all the answers

What does the expression ['add', 'class', 'contains', 'delattr'] represent?

List of available methods for a list object (D) Signup and view all the answers