Zusammenfassung
Datentypen in Python
Jason Myers
Instructor
Sequenz-Datentypen
- Listen
['Chocolate Chip', 'Peanut Butter']
- Tupel
('Sugar', 'Eggs')
- Strings
'Cookies are wonderful'
Dictionaries
- Sicheres Hinzufügen und Entfernen
squirrels_by_park.pop("City Hall Park", {})
- Items entpacken
for field, value in squirrels_by_park.items():
- Verschachtelte Daten handhaben
for park in squirrels_by_park:
print(squirrels_by_park[park].get('color', 'N/A'))
Numerische und logische Typen
- Integer
int(1) - Float
float(1.333333334) - Decimal
Decimal(5.50) - Booleans
True or False - Sets
{'Anzac', 'Oatmeal Raisin'}
Komplexe Datentypen
Counter
Counter(nyc_eatery_types)Defaultdicts
eateries_by_park = defaultdict(list) for park_id, name in nyc_eateries_parks: eateries_by_park[park_id].append(name)Namedtuples
namedtuple('Worm', ['species', 'sex', 'mass'])
Komplexe Datentypen
- Dataclasses
@dataclass
class WeightEntry:
species: str
flipper_length: int
body_mass: int
sex: str
Glückwunsch!
Datentypen in Python
