To concentrate on the need to rename of change column names having a pre-existing listing, I'll create a new sample dataframe df with Preliminary column names and unrelated new column names. this is not the situation OP was dealing with plus your difficulty is with the makefile distinct for a https://claytonnrvxb.digiblogbox.com/61001965/not-known-factual-statements-about-stack-ball-game-for-kids