python random choice between two point in an array code example

Example 1: python choose random element from list

import random

#1.A single element
random.choice(list)

#2.Multiple elements with replacement
random.choices(list, k = 4)

#3.Multiple elements without replacement
random.sample(list, 4)

Example 2: random picker in python

import random
#dictionary
x_dict = {30:60, 20:40,10:20}
key = random.choice(list(x_dict))
print (key)#if you want it to print 30, 20, or 10
print (x_dict[key])#if you want it to print 60, 40, or 20
print (key,"-", x_dict[key])# if you want to print 30 - 60, 20-40,or 10-20