import os, shutil, time
from statistics import mean, median

def maketree(path, depth, dirs, files):
    os.mkdir(path)
    if depth > 0:
        for i in range(files):
            open(os.path.join(path, 'file%d' % i), 'wb').close()
        for i in range(dirs):
           maketree(os.path.join(path, 'subdir%d' % i), depth-1, dirs, files)

results = []
for i in range(10):
    maketree('testdir2', depth=5, dirs=5, files=30)
    t = time.time()
    shutil.rmtree('testdir2')
    t = time.time() - t
    if i:
        results.append(t)
        print(t, ' mean =', mean(results), ' median =', median(results))