Unbetiteltes Quiz

Unbetiteltes Quiz

Professional Development

15 Qs

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Unbetiteltes Quiz

Unbetiteltes Quiz

Assessment

Quiz

Computers

Professional Development

Practice Problem

Hard

Created by

Stefan Bruns

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Was ist die korrekte Syntax, um ein Dictionary zu definieren?

d = ["a": True, "b": 42, "c": "Hi"]
d = {"a", True, "b", 42, "c", "Hi"}
d = {"a": True, "b": 42, "c": "Hi"}
d = dict("a": True, "b": 42)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Wie entfernst du ein Element mit dem Schlüssel 'b' aus einem Dictionary d?

d.remove('b')
d.pop('b')
del d('b')
d.delete('b')

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Was macht dict.fromkeys(['a', 'b'], 0)?

{'a': 0, 'b': 0}
{'a': None, 'b': None}
['a': 0, 'b': 0]
{'a': '0', 'b': '0'}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Welche Methode gibt den Wert eines Schlüssels zurück oder einen Standardwert, wenn der Schlüssel nicht existiert?

get()
default()
find()
fetch()

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Welche Methode löscht alle Einträge in einem Dictionary?

remove()
clear()
delete()
reset()

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Wie kannst du zwei Dictionaries a und b zu einem neuen zusammenführen?

c = a + b
c = a | b
c = merge(a, b)
c = a.combine(b)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Wie erhältst du alle Schlüssel eines Dictionaries d?

d.keys()
d.allkeys()
d.getkeys()
keys(d)

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