When it is required to create N lists randomly that are K in size, a method is defined that shuffles the values and yields the output.
Example
Below is a demonstration of the same
from random import shuffle
def gen_random_list(my_val, K):
while True:
shuffle(my_val)
yield my_val[:K]
my_list = [12, 45, 76, 32, 45, 88, 99, 0, 1]
print("The list is ")
print(my_list)
K, N = 4, 5
print("The value of K is ")
print(K)
print("The value of N is ")
print(N)
my_result = []
for elem in range(0, N):
my_result.append(next(gen_random_list(my_list, K)))
print("The result is " )
print(my_result)Output
The list is [12, 45, 76, 32, 45, 88, 99, 0, 1] The value of K is 4 The value of N is 5 The result is [[88, 76, 99, 12], [12, 99, 32, 76], [32, 76, 12, 99], [32, 45, 0, 12], [76, 0, 1, 45]]
Explanation
The required packages are imported into the environment.
A method named ‘gen_random_list’ is defined that takes a value and ‘K’ as parameter.
It uses the ‘shuffle’ method and ‘yield’ operator along with slicing to give the result.
Outside the method, a list is defined and displayed on the console.
Values for K and N are defined and displayed on the console.
An empty list is defined.
The range between 0 and N is iterated over, and the method is called and the result is appended to the empty list.
This is displayed as output on the console.