Python interview questions part 45
Python interview questions part 45
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. What is the output for the following piece of code? >>> a={1,2,3} >>> b=a >>> b.remove(3) >>> a
Correct Answer is : {1,2}
2. What is the output of the following piece of code? >>> a={1,2,3} >>> b=a.copy() >>> b.add(4) >>> a
Correct Answer is : {1,2,3}
3. What is the output of the following code? >>> a={1,2,3} >>> b=a.add(4) >>> b
Correct Answer is : Nothing is printed
4. What is the output of the following code? >>> a={1,2,3} >>> b=frozenset([3,4,5]) >>> a-b
Correct Answer is : {1,2}
5. What is the output of the following piece of code? >>> a={5,6,7} >>> sum(a,5)
Correct Answer is : 23
6. What is the output of the following code? >>> a={1,2,3} >>> {x*2 for x in a|{4,5}}
Correct Answer is : {8, 2, 10, 4, 6}
7. What is the output of the following piece of code? >>> a={5,6,7,8} >>> b={7,8,9,10} >>> len(a+b)
Correct Answer is : Error, unsupported operand ‘+’ for sets
8. What is the output of the following piece of code? a={1,2,3} b={1,2,3} c=a.issubset(b) print(c)
Correct Answer is : TRUE
9. Is the following piece of code valid? a={1,2,3} b={1,2,3,4} c=a.issuperset(b) print(c)
Correct Answer is : FALSE
10. What is the output of the code shown? s=set() type(s)
Correct Answer is :
11. The line of code shown below results in an error. State whether this statement is true or false. s={2, 3, 4, [5, 6]}
Correct Answer is : TRUE
12. Set makes use of __________ Dictionary makes use of ____________
Correct Answer is : keys, key values
13. Which of the following lines of code will result in an error?
Correct Answer is : s={san}
14. What is the output of the code shown below? s={2, 5, 6, 6, 7} s
Correct Answer is : {2, 5, 6, 7}
15. Input order is preserved in sets. State whether this statement is true or false.
Correct Answer is : FALSE
16. Write a list comprehension for number and its cube for: l=[1, 2, 3, 4, 5, 6, 7, 8, 9]
Correct Answer is : [x**3 for x in l]
17. What is the output of the code shown below? s={1, 2, 3} s.update(4) s
Correct Answer is : Error
18. Which of the following functions cannot be used on heterogeneous sets?
Correct Answer is : sum
19. What is the output of the code shown below? s={4>3, 0, 3-3} all(s) any(s)
Correct Answer is : FALSE
20. Which of the following functions will return the symmetric difference between two sets, x and y?
Correct Answer is : x & y
