<jupyter_start><jupyter_text>Dict - key value pairs<jupyter_code>###
a = {'a':1,'b':2}
a['a']
a['b']
a['c'] =3 
a.values()
del a['a']
a<jupyter_output><empty_output>
{'fraction_non_alphanumeric': 0.26666666666666666, 'fraction_numerical': 0.01818181818181818, 'mean_word_length': 7.7368421052631575, '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': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'chain_length': '1', 'dir': 'jupyter-structured-clean-dedup', 'id': '260988', 'license': 'MIT', 'n_tokens_mistral': 85, 'n_tokens_neox': 84, 'n_words': 14, 'path': 'week1/4.Dict.ipynb', 'repo_name': 'leoliu0/FINS5517', 'size': '165'}