New_year_chaos.py

import itertools


def get_data(file_name):
    """generator to yield file row by row
    for not upload it to memory"""
    with open(file_name, encoding='Windows-1251') as f:
        rows = f.readlines()
        for row in rows:
            yield (row)

def minimum_brides(input_list):
    """function for analysing input list
    with new year chaotic algorithm"""
    min_brides = 0
    for i, obj in reversed(list(enumerate(input_list, 1))):
        if (int(obj) - i) > 2:
            return 'Too chaotic'
        for j in range(max(0, int(obj)-2), i):
            if int(input_list[j]) > int(obj):
                min_brides += 1
    return min_brides

if __name__ == "__main__":
    file_name = 'test.txt'
    file_rows = get_data(file_name)
    first = list(itertools.islice(file_rows, 1))[0]
    experiment_count = 0
    for i, row in enumerate(file_rows, 1):
        if i == 1:
            continue
        if not i % 2:
            print('{}: {}'.format(row, minimum_brides(row.split())))
            experiment_count += 1
        if experiment_count == int(first):
            break