Python Dictionary

Which of the following is not a valid way to define this dictionary in Python:

• d = dict([

  ('foo', 100),

  ('bar', 200),

  ('baz', 300)

  ])

• d = {}

  d['foo'] = 100

  d['bar'] = 200

  d['baz'] = 300

• d = dict(foo=100, bar=200, baz=300)

• d = {'foo': 100, 'bar': 200, 'baz': 300}

• d = { ('foo', 100), ('bar', 200), ('baz', 300) }

Consider this dictionary:

d = {'foo': 100, 'bar': 200, 'baz': 300}

What is the result of this statement:

d['bar':'baz']

• It raises an exception

• (200, 300)

• 200 300

• [200, 300]

A Python dictionary stores ...

• value - key pairs

• key - value pairs

Which of the following create an empty dictionary (D)?

• D = dict()

• D = ()

• D = []

• D = {}

Which symbol surrounds a dictionary?

• {
• (
• [
• :

Please select all correct ways to empty the following dictionary

student = {

"name": "Emma",

"class": 9,

"marks": 75

}

• del student

• del student[0:2]

• student.clear()

________________method will returns number of key-value pairs in the given dictionary.

• len( )

• pop( )

• del( )

• keys( )

• values( )

What is the output of the following code

dict1 = {"key1":1, "key2":2}

dict2 = {"key2":2, "key1":1}

print(dict1 == dict2)

• True

• False

What would be the output of the following code snippet?

a_dict = {'color': 'blue', 'fruit': 'apple', 'pet': 'dog'}

for key in a_dict:

print(key)

• 'blue'

  'apple'

  'dog'

• color

  fruit

  pet

• blue

  apple

  dog

• 'color'

  'fruit'

  'pet'

What data type is this?
quiz = {"Do you help out at home? ":"yes",        
"Do you beleive in Santa? ":"yes"}

• list
• string
• dictionart
• dictionary