import random

numbers = []
numbers_size = random.randint(10,15)

for _ in range(numbers_size):
	numbers.append(random.randint(10,20))

print(numbers)

numbers.sort()

half_size = len(numbers) // 2
median = None

print(half_size)

if numbers_size % 2 == 1:
	median = numbers[half_size]
else:
	median = sum(numbers[half_size - 1: half_size + 1]) / 2

print(median)

import statistics

print(statistics.median(numbers))

colletion_map = {'mutable': ['list', 'set', 'dict'],'immutable': ['tuple', 'frozenset']}