Python Numpy Quiz (original) (raw)

• A machine learning framework
• A scientific computing library
• A web development framework

How can you create a NumPy array from a Python list?

What is the shape of a 1D NumPy array with 5 elements?

How can you access the element at the second row and third column of a 2D NumPy array arr?

Question: What does the np.zeros((3, 4)) function in NumPy do?

• Creates an array with ones
• Creates an array with random values
• Creates an array with zeros
• Creates an identity matrix

How can you perform element-wise multiplication of two NumPy arrays a and b?

What does the np.arange(5, 15, 2) function in NumPy do?

• Creates an array with values from 5 to 15
• Creates an array with values from 5 to 14 with a step of 2
• Creates an array with values from 5 to 15 with a step of 2
• Creates an array with values from 5 to 14

How can you find the mean of a NumPy array arr?

What is the purpose of the np.reshape() function in NumPy?

• Changes the shape of an array

What is the correct way to calculate the dot product of two NumPy arrays a and b?

• dot_product = np.dot(a, b)
• dot_product = np.cross(a, b)

There are 25 questions to complete.

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