What will be the output of the following Python code?
>>>list1 = [1, 3]
>>>list2 = list1
>>>list1[0] = 4
>>>print(list2)
a) [1, 4] b) [1, 3, 4] c) [4, 3] d) [1, 3]
Answer: c Explanation: Lists should be copied by executing [:] operation.