{'null_tilde': None,
 'null_word': None,
 'null_empty': None,
 'boolean_true': True,
 'boolean_false': False,
 'integer': 42,
 'negative': -17,
 'zero': 0,
 'hex': 255,
 'octal': 15,
 'float': 3.14,
 'negative_float': -0.5,
 'exponent': 1500.0,
 'infinity': inf,
 'neg_infinity': -inf,
 'not_a_number': nan,
 'plain_string': 'hello world',
 'single_quoted': "it's quoted",
 'double_quoted': 'with \t tab and \n newline',
 'version_string': '1.2.3',
 'leading_zero': '0123'}