Recursive list files in a dir

import os
import sys
#================================================================================
# List of all the files, total count of files and folders & Total size of files.
#================================================================================
fileList = []
fileSize = 0
folderCount = 0
rootdir = sys.argv[1]
for root, subFolders, files in os.walk(rootdir):
folderCount += len(subFolders)
for file in files:
f = os.path.join(root,file)
fileSize = fileSize + os.path.getsize(f)
print(f)
fileList.append(f)
print("Total Size is {0} bytes".format(fileSize))
print("Total Files ", len(fileList))
print("Total Folders ", folderCount)