What is the use of append() function in list?

1. It adds an item to the end of the list.
2. It adds an item at the beginning of the list.
3. It adds an item anywhere in the list.
4. All of these

Select the output of the following expression:

str1 = "pen"
print(list(str1))

1. ['p', 'e', 'n' ]
2. [pen]
3. [p/e/n]
4. { "pen" }

Consider the following lists:

L1 = ["this", "is", "a", "list"]
L2 = ["this", "is", "another list"]

Which of the following statements will result in an error?

1. L1 = L2
2. L1.copy()
3. L2.append(1, 2, 3)
4. L2.pop()

Consider the following code:

>>>A = [10, 20, 30, 40]
>>>B = A.copy()
>>>A[2] = 50
>>>B

Which of the following will be the elements of list A and B?

1. A = [10, 20, 50, 40]
   B = [10, 20, 30, 40]
2. A = [10, 20, 30, 40]
   B = [10, 20, 50, 40]
3. A = [10, 20, 30, 40, 50]
   B = [10, 20, 50, 40]
4. A = [10, 20, 40]
   B = [10, 20, 50, 40]