介紹 | python-style-guide (gitbooks.io)
前言 — python3-cookbook 3.0.0 文档
Matplotlib — Visualization with Python
https://sklearn.apachecn.org/#/
1.DataFrame|Serial取范围内的值
import pandas as pd
s = pd.Series([1,2,3,4,5])
s_mask = (s < 4) & (s > 1 )
s_f = s[s_mask]
# isin
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[break, continue, and return :: Learn Python by Nina Zakharenko](https://www.learnpython.dev/02-introduction-to-python/110-control-statements-looping/40-break-continue/#:~:text=break%2C continue%2C and return. break and continue allow,more of the statements contained inside of it.)
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笛卡尔积 python之list元素两两组合、多个list元素多种组合,即笛卡尔积_xiaoxiao_2001的博客-CSDN博客
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numpy dot 转置
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re — Regular expression operations — Python 3.10.1 documentation
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pandas.DataFrame.append — pandas 1.3.4 documentation (pydata.org)
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pandas DataFrame表格(列)拼接(concat,append,join,merge)_wsp_1138886114的博客-CSDN博客_pandas 列拼接
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[Python range() Function (w3schools.com)](https://www.w3schools.com/python/ref_func_range.asp#:~:text=Python range () Function 1 Definition and Usage.,position to stop (not included). 4 More Examples)