<jupyter_start><jupyter_text>Introduction Heading Level 2Paragraph 1**Paragraph** 2This is an inline equation $r = \sqrt{x^2 + y^2}$Display equations$$ f(x) = \sum_{i=1}^n a_i x_i $$<jupyter_code>import numpy as np

a = np.array([1, 2, 3, 4, 5], dtype=float)
print a
print len(a)<jupyter_output>[ 1.  2.  3.  4.  5.]
5
{'fraction_non_alphanumeric': 0.16981132075471697, 'fraction_numerical': 0.05345911949685535, 'mean_word_length': 4.696428571428571, 'pattern_counts': {'":': 0, '<': 4, '<?xml version=': 0, '>': 4, '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': '102307', 'license': 'CC0-1.0', 'n_tokens_mistral': 147, 'n_tokens_neox': 136, 'n_words': 39, 'path': 'test005.ipynb', 'repo_name': 'satish-annigeri/Notebooks', 'size': '318'}