Q. Suppose list1 is [1, 5, 9], what is sum(list1)?
✅ Correct Answer: (C)
15
Explanation: sum returns the sum of all elements in the list.
Problem Solving and Python Programming MCQs | Page - 23
Dear candidates you will find MCQ questions of Problem Solving and Python Programming here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. To shuffle the list(say list1) what function do we use?
✅ Correct Answer: (C)
random.shuffle(list1)
Explanation: execute in the shell to verify.
Q. Suppose list1 is [4, 2, 2, 4, 5, 2, 1, 0], Which of the following is correct syntax for slicing operation?
✅ Correct Answer: (D)
all of the mentioned
Explanation: slicing is allowed in lists just as in the case of strings.
Q. Suppose list1 is [2, 33, 222, 14, 25], What is list1[-1]?
✅ Correct Answer: (C)
25
Explanation: -1 corresponds to the last index in the list.
Q. Suppose list1 is [2, 33, 222, 14, 25], What is list1[:-1]?
✅ Correct Answer: (A)
[2, 33, 222, 14]
Explanation: execute in the shell to verify.
Q. >>>print(names[-1][-1])
✅ Correct Answer: (D)
n
Explanation: execute in the shell to verify.
Q. print sum
✅ Correct Answer: (B)
12
Explanation: when assigning names1 to names2, we create a second reference to the same list. changes to names2 affect names1. when assigning the slice of all elements in names1 to names3, we are creating a full copy of names1 which can be modified independently.
Q. Suppose list1 = [0.5 * x for x in range(0, 4)], list1 is:
✅ Correct Answer: (C)
[0.0, 0.5, 1.0, 1.5]
Explanation: execute in the shell to verify.
Q. >>>list1 < list2 is
✅ Correct Answer: (B)
false
Explanation: elements are compared one by one.
Q. To add a new element to a list we use which command?
✅ Correct Answer: (B)
list1.append(5)
Explanation: we use the function append to add an element to the list.
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