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  • We are almost done with the most important python Python basics.  Soon we will start to apply them while learning some data-science tools. 

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1a) Work through the Class10.ipynb  ipynb Jupyter Notebook.   Thinking about what is happening in each step and completing the exercises!

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1b)  If time is remaining write a python Python program (a script) called <username>_read_write.py that takes a filename as a command line input (argv[1], remember!) reads the information the file, and then creates a file data.csv where you write the same information in csv (comma-separated values) format.  Your program should politely tell the user if the input file does not exist (not crash!).  Rename your data file and make sure your program still works.  Write a second program read_csv.py that reads your csv file. 

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