Nucleus Placement Paper -: Python Questions With Answers

Nucleus Previous Years Solved Sample Placement Papers

1. What is the maximum possible length of an identifier in Python?
   

   A. 79 characters

   B. 31 characters

   C. 63 characters

   D. None of the mentioned Answer: Option D

2. Solution: Identifiers in Python can be of any length.
3. What will be the output of the following Python program?
   i = 0
while i < 5:
print(i)
i += 1
if i == 3:
break
else:
print(0)


   A. Error

   B. 0 1 2 0

   C. 0 1 2 Answer: Option C

   D. None of the mentioned

4. Solution: The `else` part of the `while` loop is not executed if the loop is terminated using a `break` statement.
5. What will be the output of the following Python code?
   x = 'abcd'
for i in range(len(x)):
print(i)


   A. Error

   B. 1 2 3 4

   C. a b c d

   D. 0 1 2 3 Answer: Option D

6. Solution: The `range(len(x))` generates values 0 to 3, which are printed by the `print(i)` statement.
7. What are the two main types of functions in Python?
   

   A. System function

   B. Custom function

   C. Built-in function & User defined function Answer: Option C

   D. User function

8. Solution: Python functions are divided into built-in functions (e.g., `len()`, `dir()`) and user-defined functions created using the `def` keyword.
9. What will be the output of the following Python program?
   def addItem(listParam):
listParam += [1]
mylist = [1, 2, 3, 4]
addItem(mylist)
print(len(mylist))


   A. 5 Answer: Option A

   B. 8

   C. 2

   D. 1

10. Solution: The `+=` operator appends `[1]` to the existing list. Hence, the length of the list becomes 5.
11. Which of the following is a Python tuple?
    

    A. {1, 2, 3}

    B. {}

    C. [1, 2, 3]

    D. (1, 2, 3) Answer: Option D

12. Solution: Tuples are immutable data structures represented with round brackets `( )`.