def copy_df_to_trimmed_df(comparable: Compare):
comparable.data_frame_trimmed = comparable.data_frame.copy(deep=True)
def convert_to_lower_case(comparable: Compare):
if comparable.ignore_upper_and_lower_case:
comparable.data_frame_trimmed = comparable.data_frame_trimmed.apply(
lambda x: x.astype(str).str.lower())
