Nested data

Real data is nested: a list of dictionaries (like rows in a table), or a dictionary whose values are lists. Read it one level at a time: stars[0] is the first dictionary, and stars[0]["name"] is its name. Loop over the outer list, then use keys on each item.

How it reads

• Each index or key goes one level deeper: stars[0]["tags"][1]
• Loop over the outer list; each star is a whole dictionary
• in works on the inner list too: "bright" in star["tags"]

Cloud tip: Lost in nested data? Print one level at a time: print(stars[0]), then print(stars[0]["tags"]).