np.zeros() for zero-filled arrays in NumPy - Mini Project: Build & Apply

Create and Use Zero-Filled Arrays with np.zeros()

📖 Scenario: You are working as a data analyst. Sometimes you need to create empty tables of numbers to fill later. These tables start with all zeros.

🎯 Goal: Learn how to create zero-filled arrays using np.zeros() and print the result.

📋 What You'll Learn

Create a zero-filled array with exact shape

Use a variable to store the shape

Use np.zeros() with the shape variable

Print the zero-filled array

💡 Why This Matters

🌍 Real World

Zero-filled arrays are useful when you need a blank table or matrix to fill with data later, such as in image processing or initializing weights in machine learning.

💼 Career

Data scientists and analysts often create zero arrays as starting points for calculations, simulations, or data storage.

1

Create a shape variable for the array

Create a variable called shape and set it to the tuple (3, 4) to represent 3 rows and 4 columns.

NumPy

# Create a variable called shape with value (3, 4)
# Your code here

Need a hint?

Use parentheses to create a tuple like (3, 4).

2

Import numpy and create a zero-filled array

Import the numpy library as np. Then create a variable called zero_array using np.zeros() with the shape variable.

NumPy

shape = (3, 4)
# Import numpy as np and create zero_array with np.zeros(shape)
# Your code here

Need a hint?

Use import numpy as np to import numpy.

Use np.zeros(shape) to create the array.

3

Check the shape of the zero-filled array

Use print() to display the shape of zero_array by accessing its shape attribute.

NumPy

import numpy as np
shape = (3, 4)
zero_array = np.zeros(shape)
# Print the shape of zero_array
# Your code here

Need a hint?

Use zero_array.shape to get the shape tuple.

4

Print the zero-filled array

Use print() to display the entire zero_array.

NumPy

import numpy as np
shape = (3, 4)
zero_array = np.zeros(shape)
print(zero_array.shape)
# Print the zero_array
# Your code here

Need a hint?

Just use print(zero_array) to see all zeros.