code: def _version_less(version_a, version_b):
      
      if version_a[0] > version_b[0]:
          return False
      elif version_a[0] < version_b[0]:
          return True
      else:
          if version_a[1] > version_b[1]:
              return False
          elif version_a[1] < version_b[1]:
              return True
          else:
              return version_a[2] < version_b[2]
docs: Takes two version as (major, minor, patch) tuples and returns a <= b.