mode = mode.lower()ifmode =='cie2000':returndelta_e_cie2000(lab1, lab2)elifmode =='cie1994':returndelta_e_cie1994(lab1, lab2, **kwargs)elifmode =='cie1976':returndelta_e_cie1976(lab1, lab2)elifmode =='cmc':returndelta_e_cmc(lab1, lab2, **kwargs)else:raiseInvalidDeltaEMo...