>>> from perfums import creaperfums1

>>> l = [['Rochis1', 'EAU_TOILETTE',100,78],['Rochis2','EAU_TOILETTE',50,42],
... ['Challenge','EAU_PARFUM',100,78],['Gege','EAU_COLOGNE',200,43]]
>>> d = creaperfums1(l)
>>> d == {100:['Rochis1','Challenge'], 50:['Rochis2'], 200:['Gege']}
True