My Python Rough Notes

Source by :  https://www.youtube.com/watch?v=eX3ZimWWHh4&list=PLBGx66SQNZ8aPsFDwb79JrS2KQBTIZo10   https://www.youtube.com/watch?v=Me3ea4nUt0U I think; it is METHODOLOGY for the Software Development Cycle. 1           .   The old method was WATERFALL Methodology 2           .     Angile 3           .   DevOps Requirement Analysis-->Design-->Developement-->Testing-->Maintenance

  Creating, Reading and Writing $ pip install pandas $ python3 >>> import pandas as pd >>> pd.DataFrame({'BOB':['Ist column of BOB','IInd col of BoB'],'SUSE':['Ist col suse','II col suse']})                  BOB          SUSE 0  Ist column of BOB  Ist col suse 1    IInd col of BoB   II col suse >>>pd.DataFrame({..same as above---},index=['Prouct a ',' Product b'])   >>> pd.Series([30, 35, 40], index=['2015 Sales', '2016 Sales', '2017 Sales'], name='Product A') 2015 Sales    30 2016 Sales    35 2017 Sales    40 Name: Product A, dtype: int64 >>> reviews=pd.read_csv('/mnt/d/wine.csv') >>> reviews show the contents of file wine.csv >>> reviews.country >>> reviews['country']   to see only country column >>> reviews.iloc[0] return only one row >>> review.il...