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Python Exercises

Python NumPy: Make an array immutable

Python NumPy: Array Object Exercise-67 with Solution

Write a Python program to make an array immutable (read-only).

Sample Solution:-

Python Code:

import numpy as np
x = np.zeros(10)
x.flags.writeable = False
print("Test the array is read-only or not:")
print("Try to change the value of the first element:")
x[0] = 1

Sample Output:

Test the array is read-only or not:                                    
Try to change the value of the first element:                          
Traceback (most recent call last):                                     
  File "24222080-0d5f-11e7-93ad-ebc5bbb63894.py", line 6, in   
    x[0] = 1                                                           
ValueError: assignment destination is read-only

Python Code Editor:

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