import os
def rename(path):
    filelist = os.listdir(path)
    print(filelist)
    count = 0
    for item in filelist:
        src = os.path.join(os.path.abspath(path), item)
        dst = os.path.join(os.path.abspath(path),  '%d_sat.jpg' % count )
        try:
            os.rename(src, dst)
            count += 1
        except:
            continue