code: def test_short_has_arg(self):
      self.assertTrue(getopt.short_has_arg("a", "a:"))
      self.assertFalse(getopt.short_has_arg("a", "a"))
      self.assertError(getopt.short_has_arg, "a", "b")
  
file_path: cpython/Lib/test/test_getopt.py
imports: from test.support.os_helper import EnvironmentVarGuard
  import doctest
  import unittest
  import getopt
label_desc: Use image node_id 3 for calling the GetoptTests obj's underlying member method code with example usage: obj.test_short_has_arg() without return types