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How to get set a pandas index column title or name? To just get the index column names df index names will work for both a single Index or MultiIndex as of the most recent version of pandas As someone who found this while trying to find the best way to get a list of index names + column names, I would have found this answer useful:
python - Renaming column names in Pandas - Stack Overflow To focus on the need to rename of replace column names with a pre-existing list, I'll create a new sample dataframe df with initial column names and unrelated new column names
pandas how to swap or reorder columns - Stack Overflow df=df reindex(columns=neworder) However, as you can see, I only want to swap two columns It was doable just because there are only 4 column, but what if I have like 100 columns? what would be an effective way to swap or reorder columns? There might be 2 cases: when you just want 2 columns swapped when you want 3 columns reordered
How to iterate over columns of a pandas dataframe 66 This answer is to iterate over selected columns as well as all columns in a DF df columns gives a list containing all the columns' names in the DF Now that isn't very helpful if you want to iterate over all the columns But it comes in handy when you want to iterate over columns of your choosing only
How can I get a value from a cell of a dataframe? - Stack Overflow 54 Most answers are using iloc which is good for selection by position If you need selection-by-label, loc would be more convenient For getting a value explicitly (equiv to deprecated df get_value ('a','A'))