Engineering Questions with Answers - Multiple Choice Questions
Python MCQs
1 - Question
This set of Python Programming Questions & Answers focuses on “Lists”.
1. Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after list1.reverse()?
a) [3, 4, 5, 20, 5, 25, 1, 3]
b) [1, 3, 3, 4, 5, 5, 20, 25]
c) [25, 20, 5, 5, 4, 3, 3, 1]
d) [3, 1, 25, 5, 20, 5, 4, 3]
View Answer
Answer: d
Explanation: Execute in the shell to verify.
2 - Question
2. Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.extend([34, 5])?
a) [3, 4, 5, 20, 5, 25, 1, 3, 34, 5]
b) [1, 3, 3, 4, 5, 5, 20, 25, 34, 5]
c) [25, 20, 5, 5, 4, 3, 3, 1, 34, 5]
d) [1, 3, 4, 5, 20, 5, 25, 3, 34, 5]
View Answer
Answer: a
Explanation: Execute in the shell to verify.
3 - Question
3. Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.pop(1)?
a) [3, 4, 5, 20, 5, 25, 1, 3]
b) [1, 3, 3, 4, 5, 5, 20, 25]
c) [3, 5, 20, 5, 25, 1, 3]
d) [1, 3, 4, 5, 20, 5, 25]
View Answer
Answer: c
Explanation: pop() removes the element at the position specified in the parameter.
4 - Question
4. Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.pop()?
a) [3, 4, 5, 20, 5, 25, 1]
b) [1, 3, 3, 4, 5, 5, 20, 25]
c) [3, 5, 20, 5, 25, 1, 3]
d) [1, 3, 4, 5, 20, 5, 25]
View Answer
Answer: a
Explanation: pop() by default will remove the last element.
5 - Question
5. What will be the output of the following Python code?
-
>>>"Welcome to Python".split()
a) [“Welcome”, “to”, “Python”]
b) (“Welcome”, “to”, “Python”)
c) {“Welcome”, “to”, “Python”}
d) “Welcome”, “to”, “Python”
View Answer
Answer: a
Explanation: split() function returns the elements in a list.
6 - Question
6. What will be the output of the following Python code?
-
>>>list("a#b#c#d".split('#'))
a) [‘a’, ‘b’, ‘c’, ‘d’]
b) [‘a b c d’]
c) [‘a#b#c#d’]
d) [‘abcd’]
View Answer
Answer: a
Explanation: Execute in the shell to verify.
7 - Question
7. What will be the output of the following Python code?
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myList = [1, 5, 5, 5, 5, 1]
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max = myList[0]
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indexOfMax = 0
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for i in range(1, len(myList)):
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if myList[i] > max:
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max = myList[i]
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indexOfMax = i -
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>>>print(indexOfMax)
a) 1
b) 2
c) 3
d) 4
View Answer
Answer: a
Explanation: First time the highest number is encountered is at index 1.
8 - Question
8. What will be the output of the following Python code?
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myList = [1, 2, 3, 4, 5, 6]
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for i in range(1, 6):
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myList[i - 1] = myList[i]
-
-
for i in range(0, 6):
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print(myList[i], end = " ")
a) 2 3 4 5 6 1
b) 6 1 2 3 4 5
c) 2 3 4 5 6 6
d) 1 1 2 3 4 5
View Answer
Answer: c
Explanation: Execute in the shell to verify.
9 - Question
9. What will be the output of the following Python code?
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>>>list1 = [1, 3]
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>>>list2 = list1
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>>>list1[0] = 4
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>>>print(list2)
a) [1, 3]
b) [4, 3]
c) [1, 4]
d) [1, 3, 4]
View Answer
Answer: b
Explanation: Lists should be copied by executing [:] operation.
10 - Question
10. What will be the output of the following Python code?
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def f(values):
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values[0] = 44
-
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v = [1, 2, 3]
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f(v)
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print(v)
a) [1, 44]
b) [1, 2, 3, 44]
c) [44, 2, 3]
d) [1, 2, 3]
View Answer
Answer: c
Explanation: Execute in the shell to verify.