dictionary practice def build placements(shoes): "a"Return a dictionary where each key is a company and each value is a list of placements by people wearing shoes made by that company. >buildplacementsCE'Saucony', 'Asics', 'Asics, 'NB, Saucony', Nike', 'Asics', 'Adidas', Saucony, 'Asics'1D 'Saucony': 1, 5, 9], 'Asics' [2, 3, 7, 10], 'NB 4], 'Nike': [6), 'Adi dos': 0811