#! /usr/bin/env python
import os
import shutil


HOME = os.path.expanduser('~')
DESKTOP = os.path.join(HOME, 'Desktop')
DESKTOP_FILES = os.listdir(DESKTOP)
SCREEN_SHOT_DIR = os.path.join(HOME, 'Pictures', 'Screenshots')
SCREEN_SHOTS = filter(lambda f: f.startswith('Screen Shot'), DESKTOP_FILES)

def move_files():
    for shot in SCREEN_SHOTS:
        shot_file_path = os.path.join(DESKTOP, shot)
        shutil.move(shot_file_path, SCREEN_SHOT_DIR)

if __name__=='__main__':
    move_files()