<jupyter_start><jupyter_text><jupyter_code>import numpy as np
c = np.ones((4, 4))

c[::2, 1::2] = 2
c[1::2, ::2] = 3
print(c)
import numpy as np
c = np.ones((4, 4))

c[::2, 1::2] = 2
c[1::2, ::2] = 3
print(c*2)
import numpy as np

A = (([2,7,4])) 
B = (([3,9,8]))

output = np.cross(A,B)
print(output)<jupyter_output>[20 -4 -3]
{'fraction_non_alphanumeric': 0.2691131498470948, 'fraction_numerical': 0.09480122324159021, 'mean_word_length': 4.466666666666667, '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': '48685', 'license': 'Apache-2.0', 'n_tokens_mistral': 186, 'n_tokens_neox': 174, 'n_words': 41, 'path': 'Prelim_Exam.ipynb', 'repo_name': 'sofiahlr/Linear-Algebra-58019', 'size': '327'}