random.getstate() in Python

random() module is used to generate random numbers in Python. Not actually random, rather this is used to generate pseudo-random numbers. That implies that these randomly generated numbers can be determined.

random.getstate()

The getstate() method of the random module returns an object with the current internal state of the random number generator. This object can be passed to the setstate() method to restore the state. There are no parameters passed in this method.
Example 1:

Python3

import random
 
# remember this state 

state = random.getstate()
 
# print 10 random numbers

print(random.sample(range(20), k = 10)) 
 
# restore state
random.setstate(state)
 
# print same first 5 random numbers
# as above

print(random.sample(range(20), k = 5))

Output:

[16, 1, 0, 11, 19, 3, 7, 5, 10, 13]
[16, 1, 0, 11, 19]

Example 2:

Python3

import random 

list1 = [1, 2, 3, 4, 5, 6]  

# Get the state

state = random.getstate()
 
# prints a random value from the list

print(random.choice(list1)) 

# Set the state
random.setstate(state)
 
# prints the same random value
# from the list

print(random.choice(list1))