NumPy Basics Quiz

What does NumPy stand for?

• Numerical Python

• Numbers in Python

• Numeric Python

• NumberPy

Which of the following is the correct way to import NumPy?

• import numpy as npy

• import numpy as np

• import numpy

• import num as np

How do you create a NumPy array?

• np.array([1, 2, 3])

• np.array{[1, 2, 3]}

• np.array((1, 2, 3))

• np.array[1, 2, 3]

Which function is used to create an array filled with zeros?

• np.empty()

• np.zeros()

• np.zeros_like()

• np.fill()

What function is used to create an identity matrix in NumPy?

• np.eye()

• np.identity()

• np.ones()

• np.ident()

Which method is used to find the shape of a NumPy array?

• np.shape()

• array.shape

• array.size

• array.dim()

What does the ndim attribute of a NumPy array return?

• The number of elements in the array

• The number of dimensions of the array

• The shape of the array

• The data type of the array elements

What will the output of np.arange(3, 10, 2) be?

• [3, 4, 5, 6, 7, 8, 9]

• [3, 5, 7, 9]

• [3, 5, 7, 8, 9]

• [3, 4, 5, 6]

What does np.linspace(0, 5, 10) do?

• Creates an array from 0 to 5 with 10 elements, equally spaced

• Creates an array of 10 elements from 0 to 5, excluding 5

• Creates an array from 0 to 10

• Creates a list from 0 to 5

Which of the following reshapes an array of shape (4,) to (2, 2)?

• array.reshape(4)

• array.reshape(2, 2)

• array.shape(2, 2)

• np.reshape(array, (4, 1))