NumPy: Shuffle numbers between 0 and 10
NumPy: Random Exercise-6 with Solution
Write a NumPy program to shuffle numbers between 0 and 10 (inclusive).
Sample Solution:
Python Code :
# Importing the NumPy library as np
import numpy as np
# Generating an array 'x' with numbers from 0 to 9 using np.arange()
x = np.arange(10)
# Shuffling the elements of the array 'x' in-place using np.random.shuffle()
np.random.shuffle(x)
# Printing the shuffled array 'x'
print(x)
# Generating a permutation of numbers from 0 to 9 using np.random.permutation()
# and printing the result
print("Same result using permutation():")
print(np.random.permutation(10))
Sample Output:
[2 7 1 5 3 9 0 4 6 8] Same result using permutation(): [8 9 0 4 7 3 1 6 5 2]
Explanation:
In the above code –
x = np.arange(10): This code creates an array x of integers from 0 to 9 using the np.arange() function. The input argument 10 specifies that the array should contain integers from 0 up to, but not including, 10.
np.random.shuffle(x): This code shuffles the elements in the x array in-place (i.e., without creating an array) using the np.random.shuffle() function. The original order of the elements in the array x is randomly assigned.print(np.random.permutation(10)): This code generates an array containing a random permutation of integers from 0 to 9 using the np.random.permutation() function. The input argument 10 specifies that the output array should contain integers from 0 up to, but not including, 10. The function returns an array without modifying the input integer.
Finally, the print() function displays the newly created array.
Pictorial Presentation:
Python-Numpy Code Editor:
Previous: Write a NumPy program to create a random 10x4 array and extract the first five rows of the array and store them into a variable.
Next: Write a NumPy program to normalize a 3x3 random matrix.
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