The Joy of Computing Using Python NPTEL Week 10 Answers
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The Joy of Computing Using Python NPTEL Week 10 Answers (Jan-Apr 2025)
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1. Which of the following statements is correct about Python’s dynamic typing?
a) Variables must be declared before use.
b) A variable’s type can change at runtime.
c) Python does not allow reassignment of variable types.
d) Python is statically typed.
2. What will be the output of the following code?
a) toPmiagmnrh
b) toPmiagmnrPg
c) tnoaigmooP
d) toPmiagmnr
3. What does the following code print?
a) 6
b) 7
c) 9
d) Value Error
4. Which statement about find() and index() in Python is true?
a) Both return -1 if the substring is not found.
b) index() raises an error if not found, but find() returns -1.
c) index() and find() behave identically.
d) Both return the first index of occurrence.
5. What will be the output of the following Python code?
print(17 % -5)
a) 3
b) 2
c) 0
d) -3
6. Which method in PIL is used to resize an image while maintaining the aspect ratio?
a) resize()
b) thumbnail()
c) reshape()
d) aspect ratio resize()
These are The Joy of Computing Using Python NPTEL Week 10 Answers
7. Which of the following correctly finds all numbers divisible by 3 but not by 5 in a list?
nums = range(1, 50)
a) [x for x in nums if x % 3 == 0 and x % 5 != 0]
b) [x for x in nums if x % 5 != 0 or x % 3 == 0]
c) [x for x in nums if x % 3 != 0 and x % 5 == 0]
d) filter(lambda x: x % 3 == 0 and x % 5 == 0, nums)
8. What will be the output of the following code?
a) 2
b) 5
c) [5, 6]
d) 4
9. For which value of axis the output is [5, 7, 9] in the below code?
a) 0
b) 1
c) 2
d) axis argument is not required.
10. What will be the shape of the resulting NumPy array?
a) (3, 2)
b) (4, 3)
c) (3, 4)
d) (4, 2)
These are The Joy of Computing Using Python NPTEL Week 10 Answers
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