Dictionary in Python

Descrição

Coding Python Quiz sobre Dictionary in Python, criado por PathaPadha Support em 27-10-2020.
PathaPadha Support
Quiz por PathaPadha Support, atualizado more than 1 year ago
PathaPadha Support
Criado por PathaPadha Support mais de 3 anos atrás
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Resumo de Recurso

Questão 1

Questão
What is the output of the following sampleDict = dict([ ('first', 1), ('second', 2), ('third', 3) ]) print(sampleDict)
Responda
  • [ (‘first’, 100), (‘second’, 200), (‘third’, 300) ]
  • Options: SyntaxError: invalid syntax
  • {‘first’: 1, ‘second’: 2, ‘third’: 3}

Questão 2

Questão
Select the correct ways to get the value of marks key. student = { "name": "Emma", "class": 9, "marks": 75 }
Responda
  • m = student.get(2)
  • m = student.get(‘marks’)
  • m = student[2])
  • m = student[‘marks’])

Questão 3

Questão
Dictionary keys must be immutable
Responda
  • True
  • False

Questão 4

Questão
Select the correct way to access the value of a history subject sampleDict = { "class":{ "student":{ "name":"Mike", "marks":{ "physics":70, "history":80 } } } }
Responda
  • sampleDict[‘class’][‘student’][‘marks’][1]
  • sampleDict[‘class’][‘student’][‘marks’][‘history’]
  • sampleDict[‘class’][0][‘marks’][‘history’]

Questão 5

Questão
What is the output of the following code dict1 = {"key1":1, "key2":2} dict2 = {"key2":2, "key1":1} print(dict1 == dict2)
Responda
  • True
  • False

Questão 6

Questão
What is the output of the following dictionary operation dict1 = {"name": "Mike", "salary": 8000} temp = dict1.get("age") print(temp)
Responda
  • KeyError: ‘age’
  • None
  • { }

Questão 7

Questão
Please select all correct ways to empty the following dictionary student = { "name": "Emma", "class": 9, "marks": 75 }
Responda
  • del student
  • del student[0:2]
  • student.clear()

Questão 8

Questão
In Python, Dictionaries are immutable
Responda
  • True
  • False

Questão 9

Questão
Select the correct way to print Emma’s age. student = {1: {'name': 'Emma', 'age': '27', 'sex': 'Female'}, 2: {'name': 'Mike', 'age': '22', 'sex': 'Male'}}
Responda
  • student[0][1]
  • student[1][“age”]
  • student[0][“age”]

Questão 10

Questão
What is the output of the following dictionary operation dict1 = {"name": "Mike", "salary": 8000} temp = dict1.pop("age") print(temp)
Responda
  • KeyError: ‘age’
  • None
  • 25
  • age

Questão 11

Questão
Select all correct ways to copy a dictionary in Python
Responda
  • dict2 = dict1.copy()
  • dict2 = dict(dict1.items())
  • dict2 = dict(dict1)
  • dict2 = dict1

Questão 12

Questão
Select the all correct way to remove the key ‘marks‘ from a dictionary student = { "name": "Emma", "class": 9, "marks": 75 }
Responda
  • student.pop(“marks”)
  • del student[“marks”]
  • student.popitem()
  • dict1.remove(“key2”)

Questão 13

Questão
Select correct ways to create an empty dictionary
Responda
  • sampleDict = {}
  • sampleDict = dict()
  • sampleDict = dict{}

Questão 14

Questão
Items are accessed by their position in a dictionary and All the keys in a dictionary must be of the same type.
Responda
  • True
  • False

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