code: def to_float(self, col: str, **kwargs):
          
          try:
              self.df[col] = self.df[col].astype(np.float64, **kwargs)
              self.ok("Converted column values to float")
          except Exception as e:
              self.err(e, "Error converting to float")
docs: Convert colums values to float
  
          :param col: name of the colum
          :type col: str, at least one
          :param \*\*kwargs: keyword arguments for ``df.astype``
          :type \*\*kwargs: optional
  
          :example: ``ds.to_float("mycol1")``