>>> from perfumes import perfumes1 >>> l = [['Rochis1', 'EAU_TOILETTE',100,78],['Rochis2','EAU_TOILETTE',50,42], ... ['Challenge','EAU_PARFUM',100,78],['Gege','EAU_COLOGNE',200,43]] >>> d = perfumes1(l) >>> if d != {100:['Rochis1','Challenge'], 50:['Rochis2'], 200:['Gege']}: ... print(d)