总结

Python 的数据类型

Jason Myers

Instructor

序列数据类型

['Chocolate Chip', 'Peanut Butter']

('Sugar', 'Eggs')

'Cookies are wonderful'

squirrels_by_park.pop("City Hall Park", {})

for field, value in squirrels_by_park.items():

for park in squirrels_by_park:
    print(squirrels_by_park[park].get('color', 'N/A'))

默认字典

eateries_by_park = defaultdict(list)
for park_id, name in nyc_eateries_parks:
  eateries_by_park[park_id].append(name)

命名元组

namedtuple('Worm', ['species', 'sex', 'mass'])

@dataclass
class WeightEntry:
    species: str
    flipper_length: int
    body_mass: int
    sex: str

Python 的数据类型