﻿ NumPy: Convert the raw data in an array to a binary string and then create an array - w3resource # NumPy: Convert the raw data in an array to a binary string and then create an array

## NumPy: Array Object Exercise-98 with Solution

Write a NumPy program to convert the raw data in an array to a binary string and then create an array.

Sample Solution:

Python Code:

``````import numpy as np
x = np.array([10, 20, 30], float)
print("Original array:")
print(x)
s = x.tostring()
print("Binary string array:")
print(s)
print("Array using fromstring():")
y = np.fromstring(s)
print(y)
```
```

Sample Output:

```Original array:
[ 10.  20.  30.]
Binary string array:
b'\x00\x00\x00\x00\x00\[email protected]\x00\x00\x00\x00\x00\[email protected]\x00\x00\x00\x00\x00\x00>@'
Array using fromstring():
[ 10.  20.  30.]
```

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]
```