QUIZ ON : python - SEQUENCE DATA TYPES IN PYTHON

SEQUENCE DATA TYPES IN PYTHON

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Question No# : 01 out of 50

If a={5,6,7}, what happens when a.add(5) is executed?

A. a={5,5,6,7}

B. a={5,6,7}

C. Error as there is no add function for set data type

D. Error as 5 already exists in the set

Question No# : 02 out of 50

What will be the output of the following Python code?<pre>print('xyxxyyzxxy'.lstrip('xyy'))</pre>

A. zxxy

B. xyxxyyzxxy

C. xyxzxxy

D. none of the mentioned

Question No# : 03 out of 50

What is the correct way to create a tuple with a single element?

A. (1)

B. (1,)

C. [1]

D. {1}

Question No# : 04 out of 50

What will tuple('abc') return?

A. ('abc’)

B. ('a', 'b', 'c’)

C. ['a', 'b', 'c’]

D. Error

Question No# : 05 out of 50

Assume q= [3, 4, 5, 20, 5, 25, 1, 3], then what will be the items of q list after q.pop(1) ?

A. [3, 4, 5, 20, 5, 25, 1, 3]

B. [1, 3, 3, 4, 5, 5, 20, 25]

C. [3, 5, 20, 5, 25, 1, 3]

D. [1, 3, 4, 5, 20, 5, 25]

Question No# : 06 out of 50

Suppose d = {"john”:40, “peter":45}. To obtain the number of entries in dictionary which command do we use?

A. d.size()

B. len(d)

C. size(d)

D. d.len ()

Question No# : 07 out of 50

What will be the output of the following Python code?<pre>d = {0: 'a', 1: 'b', 2: 'c'} for x in d.values():     print(d[x])</pre><div> </div>

A. 0 1 2

B. a b c

C. 0 a 1 b 2 c

D. none of the mentioned

Question No# : 08 out of 50

What is the output of the following code?<pre>dict={"Joey":1, "Rachel":2} dict.update({"Phoebe":2}) print(dict)</pre>

A. {'Joey': 1, 'Rachel': 2, 'Phoebe': 2}

B. {“Joey”:1,”Rachel”:}

C. {“Joey”:1,”Phoebe”:2}

D. Error

Question No# : 09 out of 50

What is the output of the following code:<pre>L=['a','b','c','d'] print ( "".join(L))</pre><div> </div>

A. Error

B. None

C. abcd

D. [‘a’,’b’,’c’,’d’]

Question No# : 10 out of 50

which of the following are valid string manipulation function in python

A. count()

B. strip()

C. upper()

D. à¤‰à¤ªà¤°à¥‹à¤•à¥à¤¤ à¤¸à¤à¥€

Question No# : 11 out of 50

What will be the output of the following Python code?<pre>>>>max("what are you")</pre>

A. what

B. y

C. a

D. Error

Question No# : 12 out of 50

To insert 5 to the third position in list1, we use which command?

A. list1.insert(3, 5)

B. list1.insert(2, 5)

C. list1.add(3, 5)

D. list1.append(3, 5)

Question No# : 13 out of 50

Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after list1.reverse()?

A. [3, 4, 5, 20, 5, 25, 1, 3]

B. [1, 3, 3, 4, 5, 5, 20, 25]

C. [25, 20, 5, 5, 4, 3, 3, 1]

D. [3, 1, 25, 5, 20, 5, 4, 3]

Question No# : 14 out of 50

Which of the following is the correct way to check if a value exists in a list?

A. list.contains(value)

B. list.index(value)

C. list.contains(value)

D. value in list

Question No# : 15 out of 50

What is the output of the following code? print(len("Python\nProgramming"))

A. 19

B. 18

C. 17

D. Error

Question No# : 16 out of 50

What will be the output of the following Python code snippet?<pre>d = {"john":40, "peter":45} print(d["john"])</pre><div> </div>

A. 40

B. 45

C. “john”

D. “peter”

Question No# : 17 out of 50

What will be the output of the following Python code? <pre>x = ['ab', 'cd'] for i in x:     i.upper()  print(x)</pre>

A. [‘ab’, ‘cd’]

B. [‘AB’, ‘CD’]

C. [None, None]

D. none of the mentioned

Question No# : 18 out of 50

What will be the output of the following Python code?<pre>a= [1, 2, 3, 4, 5] for i in range(1, 5):     a[i-1] = a[i] for i in range(0, 5):     print(a[i],end = " ")</pre><div> </div>

A. 5 5 1 2 3

B. 5 1 2 3 4

C. 2 3 4 5 1

D. 2 3 4 5 5

Question No# : 19 out of 50

If a=(1,2,3,4), a[1:-1] is _________

A. Error, tuple slicing doesn’t exist

B. [2,3]

C. (2,3,4)

D. (2,3)

Question No# : 20 out of 50

Which of the following is not a declaration of the dictionary?

A. {1: ‘A’, 2: ‘B’}

B. dict([[1,”A”],[2,”B”]])

C. {1,”A”,2”B”}

D. { }

Question No# : 21 out of 50

What does the following code print ?<pre>x = 'mohan' for i in range (len(x)):        x[i].upper() print (x)</pre><div> </div>

A. mohan

B. MOHAN

C. Error

D. None of These

Question No# : 22 out of 50

What will be the output of the following Python code?<pre>print(max("what are you"))</pre>

A. error

B. u

C. t

D. y

Question No# : 23 out of 50

Which one of the following is immutable data type ?

A. list

B. set

C. tuple

D. dictionary

Question No# : 24 out of 50

What will be the output of the following Python code?<pre>x = 'abcd' for i in x:     print(i)     x.upper()</pre>

A. a B C D

B. a b c d

C. A B C D

D. error

Question No# : 25 out of 50

What will be the output of the following Python code snippet? <pre>a={1:"A",2:"B",3:"C"} a.setdefault(4,"D")  print(a)</pre><div> </div>

A. {1: ‘A’, 2: ‘B’, 3: ‘C’, 4: ‘D’}

B. None

C. Error

D. [1,3,6,10]

Question No# : 26 out of 50

What is a Python dictionary?

A. A collection of ordered and mutable data

B. A collection of unordered and mutable data with key-value pairs

C. A collection of immutable key-value pairs

D. A collection of values only

Question No# : 27 out of 50

Which of the following function returns True if the string is non empty and has all uppercase alphabets.

A. islower()

B. isupper()

C. Islower()

D. None

Question No# : 28 out of 50

Write the list comprehension to pick out only negative integers from a given list ‘l’.

A. [x<0 in l]

B. [x for x<0 in l]

C. [x in l for x<0]

D. [x for x in l if x<0]

Question No# : 29 out of 50

If a is a dictionary with some key-value pairs, what does a.popitem() do?

A. Removes an arbitrary element

B. Removes all the key-value pairs

C. Removes the key-value pair for the key given as an argument

D. Invalid method for dictionary

Question No# : 30 out of 50

What will be the output of the following Python code?<pre>mylist=list("a#b#c#d".split('#')) print(mylist)</pre><div> </div>

A. [‘a’, ‘b’, ‘c’, ‘d’]

B. [‘a b c d’]

C. [‘a#b#c#d’]

D. [‘abcd’]

Question No# : 31 out of 50

What is the output of the following statement ?<pre>print ((2, 4) + (1, 5))</pre>

A. (2 , 4), (4 , 5)

B. (3 , 9)

C. (2, 4, 1, 5)

D. Invalid Syntax

Question No# : 32 out of 50

What will be the output of the following Python code snippet?<pre>print('a@ 1,'.islower())</pre>

A. True

B. False

C. None

D. Error

Question No# : 33 out of 50

What will be the output of the following Python code snippet?<pre>print('abcdefcdghcd'.split('cd'))</pre>

A. [‘ab’, ‘ef’, ‘gh’]

B. [‘ab’, ‘ef’, ‘gh’, ”]

C. (‘ab’, ‘ef’, ‘gh’)

D. (‘ab’, ‘ef’, ‘gh’, ”)

Question No# : 34 out of 50

Which keyword is used to remove individual items or the entire dictionary itself.

A. del

B. remove

C. removeAll

D. None of these

Question No# : 35 out of 50

What will be the output of the following Python code snippet?<pre>print('abcdefcdghcd'.split('cd', 0))</pre>

A. [‘abcdefcdghcd’]

B. ‘abcdefcdghcd’

C. error

D. none of the mentioned

Question No# : 36 out of 50

What will be the output of the following Python code? <pre>a={1:"A",2:"B",3:"C"} print(a.items())</pre>

A. Syntax error

B. dict_items([(‘A’), (‘B’), (‘C’)])

C. dict_items([(1,2,3)])

D. dict_items([(1, ‘A’), (2, ‘B’), (3, ‘C’)])

Question No# : 37 out of 50

Which of the following function of dictionary gets all the keys from the dictionary

A. getkeys()

B. key()

C. keys()

D. none of the mentioned

Question No# : 38 out of 50

What will be the output of the following Python code? <pre>a={'B':5,'A':9,'C':7} print(sorted(a))</pre>

A. [‘A’,’B’,’C’]

B. [‘B’,’C’,’A’]

C. [5,7,9]

D. [9,5,7]

Question No# : 39 out of 50

What will be the output of the following Python code?<pre>print('xyyzxxyxyy'.lstrip('xyy'))</pre>

A. error

B. zxxyxyy

C. z

D. zxxy

Question No# : 40 out of 50

Which statement is correct??

A. . List is mutable & Tuple is immutable

B. List is immutable & Tuple is mutable

C. Both are mutable

D. Both are immutable

Question No# : 41 out of 50

Which statement is correct

A. List is mutable & Tuple is immutable

B. List is immutable & Tuple is mutable

C. Both List and Tuple are Mutable

D. Both List and Tuple are Immutable

Question No# : 42 out of 50

Suppose a list with name arr, contains 5 elements. You can get the 2nd element from the list using :

A. arr[-2]

B. arr[2]

C. arr[-1]

D. arr[1]

Question No# : 43 out of 50

Which of the following operations is NOT allowed on a tuple?

A. Slicing

B. Concatenation

C. Deletion of elements

D. Iteration

Question No# : 44 out of 50

What will be the output of the following code snippet?<pre>a=[1,2,3,4,5,6,7,8,9] a[::2]=10,20,30,40,50,60 print(a)</pre><div> </div>

A. ValueError: attempt to assign sequence of size 6 to extended slice of size 5

B. [10, 2, 20, 4, 30, 6, 40, 8, 50, 60]

C. [1, 2, 10, 20, 30, 40, 50, 60]

D. [1, 10, 3, 20, 5, 30, 7, 40, 9, 50, 60]

Question No# : 45 out of 50

What will be the output of the following Python code?<pre>d = {0, 1, 2} for x in d:     print(x)</pre><div> </div>

A. 0 1 2

B. {0, 1, 2} {0, 1, 2} {0, 1, 2}

C. error

D. none of the mentioned

Question No# : 46 out of 50

Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.extend([34, 5])?

A. [3, 4, 5, 20, 5, 25, 1, 3, 34, 5]

B. [1, 3, 3, 4, 5, 5, 20, 25, 34, 5]

C. [25, 20, 5, 5, 4, 3, 3, 1, 34, 5]

D. [1, 3, 4, 5, 20, 5, 25, 3, 34, 5]

Question No# : 47 out of 50

To return the length of string s what command do we execute?

A. s.__len__()

B. len(s)

C. size(s)

D. s.size()

Question No# : 48 out of 50

What will be the output of the following Python code? <pre>a={1:"A",2:"B",3:"C"} b=a.copy() b[2]="D"  print(a)</pre>

A. Error, copy() method doesn’t exist for dictionaries

B. {1: ‘A’, 2: ‘B’, 3: ‘C’}

C. {1: ‘A’, 2: ‘D’, 3: ‘C’}

D. “None” is printed

Question No# : 49 out of 50

What is the output of the following program:<pre>print ("Hello World"[::-1])</pre>

A. dlroW olleH

B. Hello Worl

C. D

D. error

Question No# : 50 out of 50

If wd="Hello World" then which of the following statements will display last five characters of the string object?

A. wd[4:]

B. wd[:4]

C. wd[-5:]

D. wd[:-4]