sales.groupby('Platform').get_group('X360') platform_names = { 'PS3':'Playstation', 'PS4':'Playstation', 'X360':'Xbox', 'XOne':'Xbox' } sales.set_index('Platform').groupby(platform_names).sum()
sales.groupby('Platform').get_group('X360') platform_names = { 'PS3':'Playstation', 'PS4':'Playstation', 'X360':'Xbox', 'XOne':'Xbox' } sales.set_index('Platform').groupby(platform_names).sum()