QUIZ ON : python - SEQUENCE DATA TYPES IN PYTHON

SEQUENCE DATA TYPES IN PYTHON

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Question No# : 01 out of 50

Given a string s="Welcome", which of the following code is incorrect ?

A. print s[0]

B. print s.lower()

C. s[1]='r'

D. print s.strip()

Question No# : 02 out of 50

How can we create an empty list in Python ?

A. list=()

B. list.null

C. null.list

D. list=[]

Question No# : 03 out of 50

What will be the output of the following Python code snippet?<pre>print('Ab!2'.swapcase())</pre>

A. AB!@

B. ab12

C. aB!2

D. aB1@

Question No# : 04 out of 50

What is the output of following code<pre>d = {} d[1] = "Python" d[2] = "Java" print(len(d))</pre>

A. 0

B. 1

C. 2

D. Error

Question No# : 05 out of 50

What will be the output of the following Python code? <pre class="de1" style="border-radius: 0px; padding: 0px; font-family: Consolas, Monaco, " lucida="" console",="" monospace;="" color:="" rgb(51,="" 51,="" 51);="" word-break:="" break-all;="" overflow-wrap:="" normal;="" background:="" rgb(244,="" 244,="" 244);="" border:="" 0px;="" overflow:="" visible;="" box-shadow:="" none;="" text-align:="" justify;="" margin-top:="" 0px="" !important;="" margin-bottom:="" line-height:="" 20px="" !important;"=""> a=[1,2,3] b=a.append(4) print(a) print(b)</pre>

A. [1,2,3,4] [1,2,3,4]

B. [1, 2, 3, 4] None

C. Syntax error

D. [1,2,3] [1,2,3,4]

Question No# : 06 out of 50

lstrip() method is used for :

A. delete all the trailing whitespace characters

B. delete all the leading whitespace characters

C. delete all the leading and trailing whitespace characters

D. delete upper case characters

Question No# : 07 out of 50

What will be the output of the following Python code snippet?<pre>print('Hello World'.istitle())</pre>

A. True

B. False

C. None

D. Error

Question No# : 08 out of 50

What is the output?<pre>a = [1, 2, 3] a.remove(2) print(a)</pre>

A. [1, 2]

B. [1, 3]

C. [2, 3]

D. Error

Question No# : 09 out of 50

To remove string “hello” from list1, we use which command?

A. list1.remove(“hello”)

B. list1.remove(hello)

C. list1.removeAll(“hello”)

D. list1.removeOne(“hello”)

Question No# : 10 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# : 11 out of 50

What will be the output of the following Python code snippet? <pre>a = {} a[1] = 1 a['1'] = 2 a[1]=a[1]+1 count = 0 for i in a:      count += a[i] print(count)</pre>

A. 1

B. 2

C. 4

D. Error, the keys can’t be a mixture of letters and numbers

Question No# : 12 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# : 13 out of 50

Which of the following will delete key-value pair for key="tiger" in dictionary?<pre>dic={"lion":"'wild","tiger":"'wild",'cat":"domestic","dog":"domestic"}</pre>

A. del dic("tiger")

B. dic["tiger"].delete()

C. delete(dic.["tiger'])

D. del dic["tiger"]

Question No# : 14 out of 50

what will the output of following code<pre>my_string="Hello,world" print(my_string[-6:-1])</pre>

A. ,worl

B. worl

C. world

D. oworld

Question No# : 15 out of 50

What will be the output of the following Python code snippet? <pre>a={} a['a']=1 a['b']=[2,3,4]  print(a)</pre><div> </div>

A. Exception is thrown

B. {‘b’: [2], ‘a’: 1}

C. {‘b’: [2], ‘a’: [3]}

D. {'a': 1, 'b': [2, 3, 4]}

Question No# : 16 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# : 17 out of 50

What is the output of the following code?<pre>a = set('dcma') b = set('mlpc') print(a^b)</pre><div> </div>

A. {‘d’, ‘c’, ‘m’, ‘l’, ‘p’, ‘c’}

B. {‘m’, ‘l’, ‘p’, ‘c’}

C. {‘d’, ‘c’, ‘m’, ‘a’}

D. None of These

Question No# : 18 out of 50

Which one of the following is inmmutable data type?

A. list

B. set

C. tuple

D. dict

Question No# : 19 out of 50

What will be the output?<pre>a={'a':4,'b':6,'a':7} print(a)</pre>

A. {'a': 5, 'b': 6,'a': 7 }

B. {'a': 7, 'b': 6}

C. {'a': 5, 'b': 6 }

D. Key Error

Question No# : 20 out of 50

Which of the following is a Python tuple?

A. [1, 2, 3]

B. (1, 2, 3)

C. {1, 2, 3}

D. {}

Question No# : 21 out of 50

What will be the output of the following Python code snippet?<pre>print('11'.isnumeric())</pre><div> </div>

A. True

B. False

C. None

D. Error

Question No# : 22 out of 50

Which of the following methods is used to check if a string starts with a specific prefix?

A. startswith()

B. startswith_prefix()

C. startswithwith()

D. startswiths()

Question No# : 23 out of 50

What will be the output of the following Python code snippet?<pre>for i in [1, 2, 3, 4][::-1]:     print (i)</pre><div> </div>

A. 1 2 3 4

B. 4 3 2 1

C. error

D. none of the mentioned

Question No# : 24 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# : 25 out of 50

What will be the output of the following Python code?<pre>myList = [1, 2, 3, 4, 5, 6] for i in range(1, 6):     myList[i - 1] = myList[i]      for i in range(0, 6):      print(myList[i], end = " ")</pre>

A. 2 3 4 5 6 1

B. 6 1 2 3 4 5

C. 2 3 4 5 6 6

D. 1 1 2 3 4 5

Question No# : 26 out of 50

Which of the following methods will create a copy of a list?

A. copy = list(original)

B. copy = original[:]

C. copy = original.copy()

D. All of the above

Question No# : 27 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# : 28 out of 50

What will happen if you try to access a key that doesn’t exist in a dictionary?

A. Returns None

B. Throws a KeyError

C. Creates a new key with a default value

D. Crashes the program

Question No# : 29 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# : 30 out of 50

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

A. 1 2 3

B. ‘A’ ‘B’ ‘C’

C. 1 ‘A’ 2 ‘B’ 3 ‘C’

D. Error, it should be: for i in a.items():

Question No# : 31 out of 50

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

A. (‘ab’, ‘ef’)

B. (‘abef’)

C. (‘ab’, ‘cd’, ‘ef’)

D. 2

Question No# : 32 out of 50

Which of the following commands will create a list?

A. list1 = list()

B. list1 = []

C. list1 = list([1, 2, 3])

D. all of the mentioned

Question No# : 33 out of 50

Which method is used to access some part of a string or substring.

A. slicer

B. Slicing

C. Membership

D. None of these-

Question No# : 34 out of 50

Suppose list1 is [2445,133,12454,123], what is max(list1)?

A. 2445

B. 133

C. 12454

D. 123

Question No# : 35 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# : 36 out of 50

What will be the output of the following Python code?<pre>print('1Rn@'.lower())</pre>

A. n

B. 1rn@

C. rn

D. r

Question No# : 37 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# : 38 out of 50

What will be the output of the following Python code snippet? <pre>numbers = {} letters = {} comb = {} numbers[1] = 56 numbers[3] = 7 letters[4] = 'B' comb['Numbers'] = numbers  comb['Letters'] = letters print(comb)</pre><div> </div>

A. Error, dictionary in a dictionary can’t exist

B. ‘Numbers’: {1: 56, 3: 7}

C. {‘Numbers’: {1: 56}, ‘Letters’: {4: ‘B’}}

D. {‘Numbers’: {1: 56, 3: 7}, ‘Letters’: {4: ‘B’}}

Question No# : 39 out of 50

What is the output when we execute list("hello")?

A. ['llo']

B. ['hello']

C. ['h', 'e', l', 'l', 'o']

D. None of the above

Question No# : 40 out of 50

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

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

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# : 41 out of 50

Which of the statements about dictionary values if false?

A. More than one key can have the same value

B. The values of the dictionary can be accessed as dict[key]

C. Values of a dictionary must be unique

D. Values of a dictionary can be a mixture of letters and numbers

Question No# : 42 out of 50

Suppose d = {“john”:40, “peter”:45}, to delete the entry for “john” what command do we use?

A. d.delete(“john”:40)

B. d.delete(“john”)

C. del d[“john”]

D. del d(“john”:40)

Question No# : 43 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# : 44 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# : 45 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]

Question No# : 46 out of 50

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

A. None

B. { None:None, None:None, None:None}

C. {1:None, 2:None, 3:None}

D. { }

Question No# : 47 out of 50

To retrieve the character at index 3 from string s=”Hello” what command do we execute (multiple answers allowed)?

A. s[]

B. s.getitem(3)

C. s.__getitem__(3)

D. s.getItem(3)

Question No# : 48 out of 50

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

A. [“john”, “peter”]

B. [“john”:40, “peter”:45]

C. (“john”, “peter”)

D. (“john”:40, “peter”:45)

Question No# : 49 out of 50

What will be the output of the following Python code snippet?<pre>d1 = {"john":40, "peter":45} d2 = {"john":466, "peter":45} print(d1 > d2)</pre>

A. True

B. False

C. Error

D. None

Question No# : 50 out of 50

What will be the output of the following Python code snippet? <pre class="de1" style="border-radius: 0px; padding: 0px; font-family: Consolas, Monaco, " lucida="" console",="" monospace;="" color:="" rgb(51,="" 51,="" 51);="" word-break:="" break-all;="" overflow-wrap:="" normal;="" background:="" rgb(244,="" 244,="" 244);="" border:="" 0px;="" overflow:="" visible;="" box-shadow:="" none;="" text-align:="" justify;="" margin-top:="" 0px="" !important;="" margin-bottom:="" line-height:="" 20px="" !important;"=""> a = {} a[1] = 1 a['1'] = 2 a[1.0]=4 count = 0 for i in a: count += a[i] print(count) print(a)</pre>

A. An exception is thrown

B. 3

C. 6

D. 2