## NPTEL The Joy of Computing using Python Week 4 Assignment Answers 2024

1. Select the correct statements regarding Magic Square:

- Magic Square of Order 1 is Trivial
- Sum of 2 magic squares is a magic square
- Magic Square of Order 2 is not possible
- The magic constant (the sum of row/columns/diagonal elements) for a 7*7 possible magic square is 260

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2. For which of the matrices would the following code snippet return True?

- 834159672
- 276951438
- 672159834
- 294753618

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3. Suppose you want to simulate the Birthday Paradox by generating random birthdays for a group of people. Which library function would you most likely use to create random integers representing birthdays?

- random.randint()
- time.time()
- random.random()
- None of the above

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4. Which of the following are functions in the date-time module of Python?

- datetime.now ()
- datetime.present()
- date.today()
- date.now()

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6. To implement a magic square, we use the concept of matrices. Select all the statements that are True in this context.

- One possible Implementation of matrices is through nested lists in Python.
- NumPy is one of the standard libraries associated with implementing matrices.
- Implementation of matrices is only through lists in Python.
- None of the above

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7. Consider the given dataset of 60 people born in 2000. Run your code using the given data to check the count of people whose birthdays fall exactly on a Tuesday.

- 8
- 9
- 10
- 11

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8. What is the output of the following snippet of code?

Hint:

If L = [1, 2, 3, 4, 5], then L[1: 3] is the list [2, 3]. Slicing a list is very similar to slicing a string. All the rules that you have learned about string-slicing apply to list-slicing.

If P = [1, 2, 3] and Q = [4, 5, 6] then P + Q is the list [1, 2, 3, 4, 5, 6]. Again, list concatenation is very similar to string concatenation.

- [90, 47, 8, 18, 10, 7]
- [7, 10, 18, 8, 47, 90]
- [7, 8, 10, 18, 47, 90]
- [90, 47, 18, 10, 8, 7]

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9. What does the random. choice () function do?

- Generates a random integer.
- Selects a random element from a sequence.
- Chooses a random floating-point number.
- Generates a random Boolean value.

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10. Identify the magic squares from the following:

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