﻿ NumPy: Extract all the elements of the second row from a given (4x4) array - w3resource # NumPy: Extract all the elements of the second row from a given (4x4) array

## NumPy: Array Object Exercise-135 with Solution

Write a NumPy program to extract all the elements of the second row from a given (4x4) array.

Pictorial Presentation: Sample Solution:

Python Code:

``````import numpy as np
arra_data = np.arange(0,16).reshape((4, 4))
print("Original array:")
print(arra_data)
print("\nExtracted data: Second row")
print(arra_data[1,:])
```
```

Sample Output:

```Original array:
[[ 0  1  2  3]
[ 4  5  6  7]
[ 8  9 10 11]
[12 13 14 15]]

Extracted data: Second row
[4 5 6 7]
```

Python Code Editor:

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## Python: Tips of the Day

List comprehension:

```>>> m = [x ** 2 for x in range(5)]
>>> m
[0, 1, 4, 9, 16]
```