Расчет разницы между изменениями в файлах

import os
import shutil
import os.path
import time
import numpy as np
 
path = raw_input("Enter path to folder: ")
path_1 = os.path.join(path, '1')
#createFolder(path_1)
#os.mkdir(path_1)
path_2 = os.path.join(path, '2')
#createFolder(path_2)
listOfFiles = os.listdir(path)
countOfFiles = len(listOfFiles)
projectname = 'sens'
fullPath = os.path.join(path, projectname)
 
if os.path.exists(fullPath):
    print ('Объект найден "sens"')
else:
    os.mkdir(fullPath)
    print ('Объект создан "sens"')
 
os.chdir(path)    
    
filePath_1 = os.listdir(path_1)   # список файлов и поддиректорий в данной директории
filePath_2 = os.listdir(path_2)   # список файлов и поддиректорий в данной директории
 
#shutil.copy(fullPath + '\\', path_1)
#shutil.copyfile(path_1, fullPath)
 
for i in filePath_1:
    old_name_path_1 = os.path.join(fullPath, i)
    old_name_1 = os.path.join(path_1, i)
    shutil.copy2(old_name_1, old_name_path_1)
    file_name_1, file_ext_1 = os.path.splitext(i)
    count_1 = '_1'
    new_name_1 = '{}{}{}'.format(file_name_1, count_1, file_ext_1)
    new_name_path_1 = os.path.join(fullPath, new_name_1)
    os.rename(old_name_path_1, new_name_path_1)
    
    
for f in filePath_2:
    
    old_name_path_2 = os.path.join(fullPath, f)
    old_name_2 = os.path.join(path_2, f)
    shutil.copy2(old_name_2, old_name_path_2)
    file_name_2, file_ext_2 = os.path.splitext(f)
    count_2 = '_2'
    new_name_2 = '{}{}{}'.format(file_name_2, count_2, file_ext_2)
    new_name_path_2 = os.path.join(fullPath, new_name_2)
    os.rename(old_name_path_2, new_name_path_2) 
    
print('Объекты переименованы')
    
filePath_all_file = os.listdir(fullPath)
array_time = []
full_array_time = []
time_sec_change = []
 
for n in filePath_all_file:
    new_name_path_2 = os.path.join(fullPath, n)
    get_time = os.path.getmtime(new_name_path_2)
    full_array_time.append([])
    full_array_time[n].append('get_time')
    
    #full_array_time = array_time.append(get_time)
    #time_change = time.ctime(get_time)
    #time_sec_change = get_time(n + 1) - get_time(n)
        #for h in get_time:
     #time_sec_change[] = get_time(n + 1) - get_time(n)
     #   print(time_sec_change) 
    #array_time_sec = array_time.append[get_time]
            #print(h)
    #print(array_time_sec)
    #print(get_time)   
    
print(type(get_time))