Uses pythons uuid library to generated uuids to see if they generate collisions. (Warning: Will use up your RAM)

test_uuid_python.py

import uuid

count = 0
collision = False
guid_dict = {}

while not collision:

        guid = uuid.uuid4()

        if not guid in guid_dict:
                guid_dict[guid] = 1
        else:
                collision = True
                print("Collision found!")
                print("Collision found after " + str(count) + " loops")
                print("Key: " + str(guid))

        if count % 1000000 == 0:
                print(str(count) + " Counts and no collision")

        count = count + 1