Тестовое задание #2

# -*- coding: utf-8 -*-

import random
import sys

def Bubble_Sort(list_to_sort):
    for i in range (len(list_to_sort), 0, -1):
        for j in range(1, i):
            if list_to_sort[j-1] > list_to_sort[j]:
                temporary_number = list_to_sort[j-1]
                list_to_sort[j-1] = list_to_sort[j]
                list_to_sort[j] = temporary_number
    return list_to_sort

def Arithmetic_Mean(list_to_calculate):
    average = 0
    for i in list_to_calculate:
        average += i
    average /= len(list_to_calculate)
    return round(average, 2)

def Median_Value(list_to_calculate):
    if (len(list_of_numbers) % 2 == 0):
        first_index = int (len(list_of_numbers) / 2)
        second_index = int (len(list_of_numbers) / 2 - 1)
        median = (list_of_numbers[first_index] + list_of_numbers[second_index]) / 2
        return round(median, 2)
    else:
        index = int ((len(list_of_numbers) - 1) / 2)
        median = list_of_numbers[index]
        return round(median, 2)

try:
    amount_of_numbers = int(input("Введите число элементов списка: "))
except ValueError:
    sys.exit("Количество элементов — натуральное значение!")

list_of_numbers = []

for i in range (amount_of_numbers):
    list_of_numbers.append(round(random.uniform(0, 50), 2))

print("Исходный список:")
for i in list_of_numbers:
    print(i, end = " ")

list_of_numbers = Bubble_Sort(list_of_numbers)

print("\nОтсортированный список:")
for i in list_of_numbers:
    print(i, end = " ")

print ("\nСреднее арифметическое:", Arithmetic_Mean(list_of_numbers))
print ("Медиана:", Median_Value(list_of_numbers))