def func_1(file, KK):
    """Разделение чисел на два файла по пороговому значению KK"""
    numbers = []
    with open(file, 'r') as f:
        for line in f:
            parts = line.split()
            for x in parts:
                num = float(x)
                numbers.append(num)
    
    file_1 = []
    file_2 = []
    for x in numbers:
        if x > KK:
            file_1.append(x)
        else:
            file_2.append(x)
    
    name_1 = file.replace('.txt', '1.txt')
    name_2 = file.replace('.txt', '2.txt')
    
    with open(name_1, 'w') as f:
        for x in file_1:
            f.write(f"{x} ")
    
    with open(name_2, 'w') as f:
        for x in file_2:
            f.write(f"{x} ")
    
    return numbers

def func_2(file):
    import statistics
    import math
    numbers = []
    
    with open(file, 'r') as f:
        for line in f:
            parts = line.split()
            for x in parts:
                num = float(x)
                numbers.append(num)
    
    # Исправление деления на ноль
    if len(numbers) <= 1:
        if numbers:
            x = numbers[0]
            return x, x, x, x, 0.0
        else:
            return None
    
    sred = sum(numbers) / len(numbers)
    mediana = statistics.median(numbers)
    minimum = min(numbers)
    maximum = max(numbers)
    
    sum_kvadratov = 0
    for x in numbers:
        kvadrat = (x - sred) * (x - sred)
        sum_kvadratov += kvadrat
    
    std = math.sqrt(sum_kvadratov / (len(numbers) - 1))
    
    return sred, mediana, minimum, maximum, std