What does `len({‘a’: 1, ‘b’: 2, ‘c’: 3})` return?

Question

Python Developer — Easy

What does `len({‘a’: 1, ‘b’: 2, ‘c’: 3})` return?

Accepted Answer

The `len()` function returns the number of items in a dictionary. In this case, the dictionary has 3 key-value pairs, so `len({‘a’: 1, ‘b’: 2, ‘c’: 3})` will return 3.