Pandas How add new column existing DataFrame
Pandas How to add new column to existing DataFrame
add completely new column(empty)
add new column based on existing column
matching the content of the DataFrame
Bonus
how to merge/concat DataFrame and Series
read csv use converters
join list to a DataFrame
check dataframe for duplicated data
https://github.com/softhints/python/b...
Pandas support python 2
https://pandas.pydata.org/pandas-docs...
Warning Starting January 1, 2019, pandas feature releases will support Python 3 only. See Plan for dropping Python 2.7 for more.
https://www.kaggle.com/carolzhangdc/i...
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