Question

which function deletes the first occurence of 3 in a list named listb?
listb.remove(3)
listb(3)
listb.clear(3)
listb.delete(3)

Explanation:

In Python, the remove() method of a list is used to remove the first occurrence of a specified element. The other options are not valid list - methods for this purpose. listB(3) is not a valid operation on lists, listB.clear() clears the entire list (not takes an argument to remove a specific element), and there is no listB.delete() method for lists in Python.

Answer:

A. listB.remove(3)