Eg.
version_1.1
version_1.2

import os, glob
for filename in glob.glob("mypath/version*"):
    os.remove(filename)

my_dir = # enter the dir name
for fname in os.listdir(my_dir):
    if fname.startswith("version"):
        os.remove(os.path.join(my_dir, fname))

rm version*

del version*

opendir (folder, "./") || die ("Cannot open directory!");
@files = readdir (folder);
closedir (folder);

unlink foreach (grep /^version/, @files);

import os
os.chdir("/home/path")
for file in os.listdir("."):
    if os.path.isfile(file) and file.startswith("version"):
         try:
              os.remove(file)
         except Exception,e:
              print e

import os
import shutil

def cleanse_folder(directory, prefix):
    for item in os.listdir(directory):
        path = os.path.join(directory, item)
        if item.startswith(prefix):
            if os.path.isfile(path):
                os.remove(path)
            elif os.path.isdir(os.path.join(directory, item)):
                shutil.rmtree(path)
            else:
                print("A simlink or something called {} was not deleted.".format(item))