code: def copycol(self, origin_col: str, dest_col: str):
          
          try:
              self.df[dest_col] = self.df[[origin_col]]
          except Exception as e:
              self.err(e, self.copy_col, "Can not copy column")
docs: Copy a columns values in another column
  
          :param origin_col: name of the column to copy
          :type origin_col: str
          :param dest_col: name of the new column
          :type dest_col: str
  
          :example: ``ds.copy("col 1", "New col")``