import os
filelist = [ f for f in os.listdir(mydir) if f.endswith(".bak") ]
for f in filelist:
os.remove(os.path.join(mydir, f))
import os
mydir = "example/"
filelist = [f for f in os.listdir(mydir) if f.endswith(".bak") ]
#if f ends with .bak: change this to any file entension
for f in filelist:
os.remove(os.path.join(mydir, f))