PYTHON(28.07.2023)

Which of the following is used to create an identity matrix in NumPy?

• zeros()

• ones()

• arange()

• eye()

What is the output of the following code?

import numpy as np
a = np.array([[1, 2], [3, 4]])
print((a).ndim)

• 0

• 1

• 2

• 3

What is the output of the following code?

import numpy as np
a = np.array([1, 2, 3])
b = np.array([4, 5, 6])
c = np.concatenate((a, b))
print(c)

• [[1, 2, 3], [4, 5, 6]]

• [[1, 4], [2, 5], [3, 6]]

• [1, 2, 3, 4, 5, 6]

• Error

import numpy as np

a = np.array([(10,20,30)])

print(a.itemsize)

• 2

• 4

• 3

• 6

Which of the following is correctly evaluated for this function?

1. pow(x,y,z)  

• 1. (x**y) / z

• 1. (x / y) * z

• 1. (x**y) % z

• 1. (x / y) / z

"pythoncode"[6:]  

What will be the output of this code?

• python

• code

• pythoncode

• error