code: def python_version():
      '''Return the Python version as a string.'''
      major, minor, patch = sys.version_info[0:3]
      return '{0}.{1}.{2}'.format(major, minor, patchf python_version():
      '''Return the Python version as a string.'''
      major, minor, patch = sys.version_info[0:3]
      return '{0}.{1}.{2}'.format(major, minor, patch)
docs: Return the Python version as a string.