UserWarning: Pandas doesn't allow columns to be created via a new attribute name

Question

I am stuck with my pandas script.

Actually , i am working with two csv file(one input and the other output file). i want to copy all the rows of two column and want to m

Answer 1

The solution I can think of is to use .loc to get the column. You can try df.loc[:,a] instead of df.a. Pandas dataframe columns cannot be created using the dot method to avoid potential conflicts with the dataframe attributes. Hope this helps