The Joy of Computing using Python- Quiz Assignment 2

Sorry for last time wrong answer for Question 2. Just overlooked the question. Even I did the same mistake.

If you sense any wrong answer, comment below so that i can verify again and give the correct one. Knowledge improves by sharing. 

This time  100% correct answers. Thank you......

1. In Python, a variable must be declared before it is assigned a value.

 True

 False

Ans: False

2. What is the output of the following program?

     for i in range(2): 

print(i,end="") 

     for i in range(4,6): 

print(i,end="" )

 014

 015

 0145

 01

Ans: c

3. What is the output if the following code snippet?

     a=4.5

     b=15

     print(a+b)

 19

 20

 19.5

 No output. An error is thrown.

Ans: c

4. What is the output of the following program?

     i = 1

     while True: 

if i%3 == 0: 

break

print(i,end="") 

i + = 1

 12

 123

 1

 No output is displayed due to syntax error.

      Ans: d

5.   i = 2

      while True:

      if i%3 == 0:

        break

    print(i,end="")

    i += 2

 12

 24

 246

 2468

Ans: b

6. Which of the following is correct variable name in Python?

 _a

 __1

 Both are correct

 None of the above

Ans: c

7. What is the output of this expression in Python, 3*1**3?

 3

 27

 9

 1

      Ans: a

8.  State True or False.
     Python is a case-sensitive language.

 True

 False

     Ans: True

9. Which of the following is not a keyword in Python?

 yield

 add

 global

 elif

      Ans: add

10. What would be the value of variable y if the following set of instructions are executed?
       x=4.5
       y=int(x)

 4

 5

 4.5

 None of the above

Ans: a