str.join(sequence)#将序列中的元素以指定的字符连接生成一个新的字符串。 str.rfind(str, beg=0 end=len(string))# 返回字符串最后一次出现的位置,如果没有匹配项则返回-1。 str.replace(old, new[, max])#replace() 方法把字符串中的 old(旧字符串) 替换成 new(
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Python For Data Science - A Cheat Sheet For Beginners This handy one-page reference presents the Python basics that you need to do data science Karlijn Willems 7 min didacticiel Python Excel: A Guide With Examples Learn how to read and import Excel files in Python, write data to these spre...
Scikit-Learn Cheat Sheet: Python Machine Learning A handy scikit-learn cheat sheet to machine learning with Python, including some code examples. Karlijn Willems 4 min didacticiel Python Tutorial for Beginners Get a step-by-step guide on how to install Python and use it for basic data science...
The following are some of the most common tools used during an engagement, with examples of how and when they are supposed to be used. Many of these tools are further explained, with additional examples after Chapter 2, The Basics of Python Scripting. We cannot cover every tool in the ...
Free PDF Download: Python 3 Cheat Sheet 免费PDF下载: Python 3备忘单 Python中的“老式”字符串格式 (“Old-school” String Formatting in Python) Before Python 3.6, you had two main ways of embedding Python expressions inside string literals for formatting: %-formatting and str.format(). You’re...
NLP Cheat Sheet - Introduction - Overview - Python - Starter KitIntroduction to Natural Language Processing (NLP) tools, frameworks, concepts, resources for PythonNLP Python Libraries🤗 Models & Datasets - includes all state-of-the models like BERT and datasets like CNN news spacy - NLP library...