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Opening File Py

• https://www.programiz.com/python-programming/file-operation

• https://www.pythonforbeginners.com/files/with-statement-in-python

• https://cmdlinetips.com/2016/01/opening-a-file-in-python-using-with-statement/

• https://www.kite.com/python/answers/how-to-open,-read,-and-then-close-a-file-in-python

• https://lerner.co.il/2015/01/18/dont-use-python-close-files-answer-depends/

• https://thispointer.com/python-open-a-file-using-open-with-statement-benefits-explained-with-examples/

• https://www.learndatasci.com/solutions/python-close-file/

• http://net-informations.com/python/file/open.htm

• https://codefather.tech/blog/python-with-open/

DataFrame

1. https://note.nkmk.me/en/python-pandas-len-shape-size/

Python Regex

• https://www.geeksforgeeks.org/regular-expression-python-examples-set-1/

• https://www.makeuseof.com/regular-expressions-python/

• https://www.datacamp.com/community/tutorials/python-regular-expression-tutorial

• https://www.guru99.com/python-regular-expressions-complete-tutorial.html

• https://www.tutorialspoint.com/python/python_reg_expressions.htm

• https://developers.google.com/edu/python/regular-expressions

• https://www.analyticsvidhya.com/blog/2015/06/regular-expression-python/

• https://realpython.com/regex-python/

• https://realpython.com/regex-python-part-2/

• https://www.softwaretestinghelp.com/python-regex-tutorial/

• https://www.edureka.co/blog/python-regex/

• https://www.thegeekstuff.com/2014/07/python-regex-examples/

Regex practice

1. .

2. https://regex101.com/

3. https://regexone.com/

4. https://pythex.org/

5. https://regex101.com/

6. https://cs.lmu.edu/~ray/notes/regex/

7. https://regexlearn.com/learn/regex101

8. http://play.inginf.units.it/#/

9. https://extendsclass.com/regex-tester.html#python

10. https://holypython.com/advanced-python-exercises/project-regular-expressions-regex/

11. https://regexr.com/

12. https://www.regextester.com/

DF Sel Regex

1. https://www.reneshbedre.com/blog/pandas-row-column-selection.html

2. https://www.easytweaks.com/filter-pandas-column-row-value/

3. https://riptutorial.com/pandas/example/6784/boolean-indexing

4. https://www.gcptutorials.com/article/how-to-use-regular-expressions-in-pandas-dataframe

5. https://www.geeksforgeeks.org/indexing-and-selecting-data-with-pandas/

6. https://pbpython.com/selecting-columns.html

7. https://www.geeksforgeeks.org/how-to-select-rows-from-a-dataframe-based-on-column-values/

8. https://stackoverflow.com/questions/15315452/selecting-with-complex-criteria-from-pandas-dataframe

9. https://stackoverflow.com/questions/17071871/how-do-i-select-rows-from-a-dataframe-based-on-column-values

10. https://www.dunderdata.com/blog?tag=selecting+subsets+of+data

    1. https://www.dunderdata.com/blog/selecting-subsets-of-data-in-pandas-part-1

    2. https://www.dunderdata.com/blog/selecting-subsets-of-data-in-pandas-part-2

    3. https://www.dunderdata.com/blog/selecting-subsets-of-data-in-pandas-part-3

11. https://swdevnotes.com/python/2021/how-to-filter-a-pandas-dataframe/

12. https://datagy.io/filter-pandas/

13. https://appdividend.com/2019/01/25/pandas-boolean-indexing-example-python-tutorial/

14. https://appdividend.com/2020/03/19/pandas-filter-pandas-dataframe-filter-in-python-example/

15. https://notebook.community/prashantas/MyDataScience/Python/100-pandas-puzzles-with-solutions

16. https://stackoverflow.com/questions/15325182/how-to-filter-rows-in-pandas-by-regex

17. https://www.kite.com/python/answers/how-to-filter-a-pandas-dataframe-with-a-regular-expression-in-python

18. https://pandas.pydata.org/docs/dev/user_guide/indexing.html

19. https://www.geeksforgeeks.org/python-pandas-dataframe-filter/

20. https://riptutorial.com/pandas/example/9040/filtering-columns--selecting--interesting---dropping-unneeded--using-regex--etc--

21. https://realpython.com/pandas-dataframe/

22. https://www.py4u.net/discuss/1385260

Python Data Structure Cheat Sheet

1. https://www.pythoncheatsheet.org/

2. https://gto76.github.io/python-cheatsheet/

3. https://www.coderindeed.in/2021/12/python-cheat-sheet.html

4. https://piazza.com/class_profile/get_resource/jde6vr6f8rk2b6/je4qxiv06m923z

5. https://anothertechs.com/programming/python/python-data-structure-cheat-sheet-2021/

6. https://intellipaat.com/blog/tutorial/python-tutorial/data-structures-with-python-cheat-sheet/

   1. https://intellipaat.com/mediaFiles/2019/02/Python-Data-structures-cheat-sheet.pdf

7. https://cheatography.com/desmovalvo/cheat-sheets/python3-data-structures/

   1. https://cheatography.com/desmovalvo/cheat-sheets/python3-data-structures/pdf/

8. https://www.edureka.co/blog/data-structures-in-python/