Given the following pandas DataFrame called music, write one…

Given the following pandas DataFrame called music, write one line of code that in place, sets rank as the index of the DataFrame. song rank artist 0 Save Your Tears (Remix) 1 The Weekend 1 Astronaut in the Ocean 2 Masked Wolf 2 Leave the Door Open 3 Bruno Mars 3 Lady Marmalade 4 Christina Aguilera 4 Levitating 5 Dua Lipa