<jupyter_start><jupyter_text>Baird's CounterexampleBaird's counterexample is described in Section 11.2 of the book. For your convenience, we have implemented it below.<jupyter_code>class BairdsCounterExample:                                                                      
    def __init__(self):
        self.n_states = 7
    
    def reset(self):
        self.current = np.random.choice(np.arange(0, 6))
        return self.current 
    
    def step(self, action):
        if action == 1:
            self.current = 7
        elif action == 0:
            self.current = np.random.choice(np.arange(0, 6))
        done = False
        return self.current, 0, done, ""<jupyter_output><empty_output>
{'fraction_non_alphanumeric': 0.09219858156028368, 'fraction_numerical': 0.01702127659574468, 'mean_word_length': 1.8582995951417005, 'pattern_counts': {'":': 0, '<': 5, '<?xml version=': 0, '>': 5, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 2, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'chain_length': '1', 'dir': 'jupyter-structured-clean-dedup', 'id': '155160', 'license': 'MIT', 'n_tokens_mistral': 212, 'n_tokens_neox': 199, 'n_words': 52, 'path': 'hw2/Bairds_Counterexample.ipynb', 'repo_name': 'PhilLint/RL', 'size': '705'}