Python/Dictionary Python MCQ set 1 Sample Test,Sample questions

Question:

 The following code will return data as ______________

1.List

2.Tuple

3.Dictionary

4.None of the above

Answer:1

Question:

1,2,3 are the ______________ in the following dictionary.
D = {1 : “One”, 2 : “Two”, 3 : “Three”}

1.Keys

2.Values

3.Items

4.None of the above

Answer:1

Question:

A = {“A” : “Apple”, “B” : “Ball”, “C” : “Cat”}
Which of the following statement will return : dict_items([(‘A’, ‘Apple’), (‘B’, ‘Ball’), (‘C’, ‘Cat’)])

1.print(A.keys( ))

2.print(A.values( ))

3.print(A.Items( ))

4.print(A.get( ))

Answer:3

Question:

All elements in dictionary are separated by _________

1.Semicolon(;)

2.Comma( ,)

3.Semicolon(;)

4.dot(.)

Answer:2

Question:

Choose the correct statement
Assertion (A)  : Items in dictionaries are unordered.
Reason (R) : We may not get back the data in the same order in which we had entered the data initially in        
                    the dictionary.

1.A is true but R is false

2.A is false but R is true

3.Both A and R are false

4.Both A and R are true and R is the correct explanation of A

Answer:4

Question:

Choose the correct statement :
Statement A : Dictionaries are mutable.
Statement B : Contents of the dictionary can not changed after it has been created

1.Statement A is True

2.Statement B is True

3.Both the statements are True

4.Statement A is True and Statement B is False

Answer:4

Question:

Dictionaries in python are _______

1.Mutable data type

2.Non-Mutable data type

3.Mapping data type

4.Both a and c

Answer:4

Question:

Dictionary is a ___________ data type.

1.Sequence

2.Mapping

3.Ordered

4.None of the above

Answer:2

Question:

Following statement return values in the form of _______
>>> D1.keys() #D1 is a dictionary

1.tuple

2.list

3.string

4.dictionary

Answer:2

Question:

In dictionary Keys and values are separated by ________________

1.Colon (:)

2.Comma( ,)

3.Semicolon(;)

4.dot(.)

Answer:1

Question:

Key – value concept is in ____

1.List

2.String

3.Dictionary

4.Tuple

Answer:3

Question:

Keys in dictionary are _____________ .

1.Mutable

2.Immutable

3.antique

4.integers

Answer:1

Question:

Keys of dictionary must be _______________

1.antique

2.unique

3.mutable

4.integers

Answer:2

Question:

pop( ) function delete and ____ the element of dictionary.

1.display

2.return

3.not return

4.add

Answer:2

Question:

The following code is an example of _______
N = {A: {'name': 'Ravi', 'age': '5', 'sex': 'M'}, B: {'name': 'Golu', 'age': '2', 'sex': 'F'}}

1.Normal Dictionary

2.Nested Dictionary

3.Empty Dictionary

4.All the above

Answer:2

Question:

The key-value pair in dictionary is called ____

1.item

2.pair item

3.paired value

4.value

Answer:1

Question:

Traversing a dictionary can be done using ____________

1. if statement

2.loop

3.jump statement

4.None of the above

Answer:2

Question:

What type of error is returned by the following code :
a={'a' : "Apple", 'b' : "Banana" , 'c' : "Cat"}
print(a[1])

1.KeyError

2.KeyNotFoundError

3.NotFoundError

4.Syntax Error

Answer:1

Question:

Which function helps to merge dictionary ‘D1’ and ‘D2’?

1.merge( )

2.append( )

3.update( )

4. get( )

Answer:3

Question:

Which of the following are immutable data type?
a. String
b. Tuple
c. List
d. Dictionary

1.a and c

2. b and d

3.a and b

4.c and d

Answer:3

Question:

Which of the following function create a dictionary from a sequence of key-value pairs

1.dictionary( )

2.dict( )

3.create( )

4.convert( )

Answer:2

Question:

Which of the following is an example of dictionary?

1.L = [ ]

2.C = ( )

3.D = { }

4.None of the above

Answer:3

Question:

Which of the following is feature of Dictionary?

1.Keys are unique within a dictionary.

2.Keys are unique within a dictionary.

3.Dictionary is mutable.

4.All of the above

Answer:4

Question:

Which of the following is feature of Dictionary?

1.Keys are unique within a dictionary.

2.Keys are unique within a dictionary.

3.Dictionary is mutable.

4.All of the above

Answer:4

Question:

Which of the following is feature of Dictionary?

1.Keys are unique within a dictionary.

2.Keys are unique within a dictionary.

3.Dictionary is mutable.

4.All of the above

Answer:4

Question:

Which of the following is feature of Dictionary?

1.Keys are unique within a dictionary.

2.Keys are unique within a dictionary.

3.Dictionary is mutable.

4.All of the above

Answer:4

Question:

Which of the following is feature of Dictionary?

1.Keys are unique within a dictionary.

2.Keys are unique within a dictionary.

3.Dictionary is mutable.

4.All of the above

Answer:4

Question:

Which of the following is feature of Dictionary?

1.Keys are unique within a dictionary.

2.Keys are unique within a dictionary.

3.Dictionary is mutable.

4.All of the above

Answer:4

Question:

Which of the following is feature of Dictionary?

1.Keys are unique within a dictionary.

2.Keys are unique within a dictionary.

3.Dictionary is mutable.

4.All of the above

Answer:4

Question:

Which of the following is feature of Dictionary?

1.Keys are unique within a dictionary.

2.Keys are unique within a dictionary.

3.Dictionary is mutable.

4.All of the above

Answer:4

Question:

Which of the following is not method of dictionary?

1.len( )

2.pop( )

3.del ( )

4.update( )

Answer:3

Question:

Which of the following is used to delete an element from Dictionary?

1.pop( )

2.delete

3.remove

4.None of the above

Answer:1

Question:

Which statement is not correct in reference to the following code?
A = {1 : "One", 2 : "Two", 3 : "Three"}
A[4] = "Four"

1.It will add value at the end of dictionary.

2.It will modify value if the key already exist.

3.It will add value in between of the dictionary.

4.All the above

Answer:3

Question:

Which statement is used to create an empty dictionary?
a. 

1.d1 = { }

2.d1 = ( )

3. d1 = dict{ }

4.d1 = [ ]

Answer:1

Question:

Write the output of the following :
A = {"A" : "Apple", "B" : "Ball", "C" : "Cat"}
print(A.get("D"))

1.KeyNotFoundError

2.Name Error

3.Type Error

4.None

Answer:4

Question:

Write the output of the following :
A = {1 : "One", 2 : "Two", 3 : "Three"}
print("One" in A)

1.True

2.False

3.Error

4.One

Answer:2

Question:

Write the output of the following :
d1 = {"a" : 50, "b" : 50}
d2 = {"a" : 500, "b" : 50}
print(d1 > d2)

1.True

2.False

3.Error

4.None of the above

Answer:3

Question:

Write the output of the following code :
A = {1 : "One", 2 : "Two", 3 : "Three"}
B = {'A' : "Apple", 'B' : "Bat", 'C' : "Cat", 'D' : "Doll"}
A.update(B)
#print(B.values())
print(B)

1. {‘A’ : ‘Apple’ , ‘B’ : ‘Bat’ , ‘C’ : ‘Cat’ , ‘D’ : ‘Doll’}

2.{1 : “One” , 2 : “Two” , 3 : “Three”}

3.{1: ‘One’ , 2: ‘Two’ , 3: ‘Three’ , ‘A’: ‘Apple’ , ‘B’: ‘Bat’ , ‘C’: ‘Cat’ , ‘D’: ‘Doll’}

4.None of the above

Answer:1

Question:

Write the output of the following code :
A = {1 : "One", 2 : "Two", 3 : "Three"}
B = {'A' : "Apple", 'B' : "Bat", 'C' : "Cat", 'D' : "Doll"}
print(A.get(4,"Key Not Found"))

1.KeyError

2.Key Not Found

3.None

4.Syntax Error

Answer:2

Question:

Write the output of the following code :
A = {1 : "One", 2 : "Two", 3 : "Three"}
print(A[2] + A[1])

1.Error

2.TwoOne

3.21

4.{1 : “One”, 2 : “Two”, 3 : “Three”}

Answer:2

Question:

Write the output of the following code :
a={'a' : "Apple", 'b' : "Banana" , 'c' : "Cat"}
a['a']="Anar"
print(a)

1.{‘a’: ‘Anar’, ‘b’: ‘Banana’, ‘c’: ‘Cat’}

2.Error

3.{‘a’ : “Apple, ‘a’: ‘Anar’, ‘b’: ‘Banana’, ‘c’: ‘Cat’}

4.None of the above

Answer:1

Question:

Write the output of the following:
A = {1 : "One", 2 : "Two", 3 : "Three"}
B = {'A' : "Apple", 'B' : "Bat", 'C' : "Cat", 'D' : "Doll"}
for i in A:
    print(i)

1.1 2 3

2.1 2 3

3.{1 : “One”, 2 : “Two”, 3 : “Three”}

4.None of the above

Answer:1

Question:

_______ datatype fall under mapping

1.List

2.Tuple

3.Dictionary

4.String

Answer:3

Question:

_______ is the suitable data type for keys of dictionary in python.

1.Number

2.String

3.Tuple

4.All the above

Answer:4

Question:

_________ function returns the number of key: value pairs of the dictionary.

1.total( )

2.len( )

3.length( )

4.items( )

Answer:2

Question:

_________ function returns the value corresponding to the key passed as the argument.

1.get( )

2.values( )

3.update( )

4.update( )

Answer:1