CompareVersions A utility which compares the two version numbers, version1 and version2 If version1 > version2 return 1 If version1 < version2 return -1 otherwise, return 0 For example, 0.1 < 1.1 < 1.2 < 1.2.9.9.9.9 < 1.3 < 1.3.4 < 1.10 Added an executable file and unit test file To execute the unit test file : python CompareVersions_test.py