The first five prizes with quarter shares
Find the first five prizes with one or more laureates sharing 1/4 of the prize. Project our prize category, year, and laureates' motivations.
Este exercício faz parte do curso
Introduction to MongoDB in Python
Instruções do exercício
- Save to
filter_the filter document to fetch only prizes with one or more quarter-share laureates, i.e. with a "laureates.share" of "4". - Save to
projectionthe list of field names so that prize category, year and laureates' motivations ("laureates.motivation") may be fetched for inspection. - Save to
cursora cursor that will yield prizes, sorted by ascending year. Limit this to five prizes, and sort using the most concise specification.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
from pprint import pprint
# Fetch prizes with quarter-share laureate(s)
filter_ = {____: ____}
# Save the list of field names
projection = [____, ____, ____]
# Save a cursor to yield the first five prizes
cursor = db.prizes.find(filter_, projection).____(____).____(5)
pprint(list(cursor))