NumPy Quiz

What is NumPy primarily used for?

• Creating GUIs

• File handling

• Numerical computations

• Web development

• Game development

What function creates an array with values [0, 1, 2, 3, 4]?

• np.arange(5)

• np.range(5)

• np.linspace(0,5)

• np.array(5)

• np.series(5)

How can you create an array of all ones with shape (2,3)?

• np.ones((2,3))

• np.ones[2,3]

• np.one((2,3))

• np.full((2,3), 1.0)

• Both a and d

What will be the output of np.array([1, 2, 3]) * 2?

• [1, 2, 3, 1, 2, 3]

• [2, 4, 6]

• [1, 2, 3, 2]

• [1, 4, 9]

• Error

What does np.array([1, 2, 3]).ndim return?

• 1

• 2

• 3

• 0

• Error

What will np.arange(1, 10, 2) output?

• [1, 2, 3, 4, 5, 6, 7, 8, 9]

• [1, 3, 5, 7, 9]

• [1, 2, 4, 6, 8]

• [2, 4, 6, 8, 10]

• Error

What is the output of np.array([[1, 2], [3, 4]]).shape?

• (2, 2)

• 2

• (4,)

• (2,)

• (1, 4)

Which NumPy function creates a sequence of evenly spaced numbers over a specified interval?

• arange()

• range()

• linspace()

• series()

• spacing()

Which of the following will create a NumPy array?

• np.array([1, 2, 3])

• np.array(range(3))

• np.array((1, 2, 3))

• All of the above

• Only a and b

What will np.sum(np.array([1,2,3])) return?

• 6

• [6]

• 3

• Error

• None