Ranjith Kumar M

Thursday, December 28, 2023

Sunday, December 24, 2023

Social Network Analysis (SNA) Computer Science And Engineering (AIML)(AI&ML)(CSM)(Artificial Intelligence and Machine Learning) JNTUH

Credits: Analyzing Social Media Networks with NodeXL Insights From a Connected World by Derek Hansen, Ben Shneideman, Marc A. Smith and Itai Himeiboim

Friday, December 30, 2022

Python Programming Unit Wise Notes - JNTUH R18

UNIT 1
UNIT 2
UNIT 3
UNIT 4
UNIT 5

Wednesday, April 20, 2022

Thursday, November 4, 2021

JNTUH Python Programming MCQ II

1. What will be the output?(1,2,1,2)

1. >>>t = (1, 2)

2. >>>2 * t

2. What will be the output? False

1. >>>t1 = (1, 2, 4, 3)

2. >>>t2 = (1, 2, 3, 4)

3. >>>t1 < t2

3. What is the data type of (1)? <class ‘int’>
4. If a=(1,2,3,4), output of a[1:-1] is (2,3)

5. What is the output of the following code? Error

>>> a=(1,2,3,4)
>>> del(a[2])

6. What is the output of the following code? 12

>>> a=(2,3,4)
>>> sum(a,3)

7. What is the output of the following code?__4_____

nums = set([1,1,2,3,3,3,4,4])
print(len(nums))

8.__set()___ is used to create an empty set?

9. What is the output of the following piece of code when executed in the python shell?___True____

>>> a={5,4}
>>> b={1,2,4,5}
>>> a<b

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

11. What is the output of the following code?___Error____

>>> a={4,5,6}
>>> b={2,8,6}
>>> a+b

12. What is the output of the following code?__{4,5}___

>>> a={4,5,6}
>>> b={2,8,6}
>>> a-b

13. What is the output of the following piece of code?_{5,6,10,11}____

>>> a={5,6,7,8}
>>> b={7,8,10,11}
>>> a^b

14. What is the output of the following code?___Error__

>>> s={5,6}
>>> s*3

15. What is the output of the code shown?____<class ‘set’>____

s=set()
type(s)

16. Set makes use of ____set()______

Dictionary makes use of ____dict()________
17. Input order is preserved in sets. State whether this statement is true or false.
a) True
b) False

18. What is the output of the code shown below?_Error___

>>>s={1, 2, 3}
>>>s.update(4)
>>>s

19.____{} / dict()_____ statement creates a empty dictionary?

20. What will be the output? (True / False)

1. d = {"john":40, "peter":45}

2. "john" in d

21. What will be the output? (True / False)

1. d1 = {"john":40, "peter":45}

2. d2 = {"john":466, "peter":45}

3. d1 == d2

22. What will be the output?______

1. d = {"john":40, "peter":45}

2. print(list(d.keys()))

23. What is the output of the following code? [3]

a={}
a[2]=1
a[1]=[2,3,4]
print(a[1][1])

24. What is the output of the following snippet of code?__0:0,1:1,2:4,3:9,4:1,5:25_____

>>> a={i: i*i for i in range(6)}
>>> a

25. What is the output of the following piece of code?_____{1:”check”, 2:”check”, 3:”check”}______

>>> a={}
>>> a.fromkeys([1,2,3],"check")

26. What is the output of the following piece of code when executed in Python shell?_____ {0: 'A0', 1: 'A1', 2: 'A2', 3: 'A3', 4: 'A4'}____________

>>> a={i: 'A' + str(i) for i in range(5)}
>>> a

27. What is the output of the functions shown below?___False_____

min(max(False,-3,-4), 2,7)

28. Suppose there is a list such that: l=[2,3,4].

If we want to print this list in reverse order, ___l[::-1]______ method should be used?

29. What is the output of the function:___4_____

len(["hello",2, 4, 6])

30. What is the output of this program?___ Received input is : Hello SRITW_____

1. str = input("Enter your input: "); #Hello SRITW

2. print("Received input is : ", str)

31. To delete a variable, it uses keyword __del____.

32. Python string can be created simply by enclosing characters in the _’ ‘ (or) “ ” (or) ‘’’ ‘’’___________

33. We use _____str[start_index:end_index]_______ for slicing along with the index or indices to obtain a substring.

34. The method __replace(old_str,new_str)______ returns a copy of the string in which the values of old string have been replaced with the new value.

35. _tuple____ is just like a list of a sequence of immutable python objects.

36. To fetch specific sets of sub-elements from tuple or list, we use this unique function called __Slicing________

37. ____Dictionary______ is used to map or associate things you want to store the keys you need to get them.

38. ____len()_____ function gives the number of pairs in the dictionary.

39. ___in____ and ___not in____ are the membership operators that are used in Python.

40. ___is____ and __is not_____ are the identity operators that are used in Python.

41. __*____ is the repetition operator in python

42. _elif____ keyword is used to implement else-if in python

43.output of range(10)?__[0,1,2,3,4,5,6,7,8,9]__

44. output of range(2,10)?__[2,3,4,5,6,7,8,9]__

45. output of range(1,11,2)?_[1,3,5,7,9]___

46. output of range(10,2,-1)?__[10,9,8,7,6,5,4,3]__

47. output of range(1,20,5)?__[1,6,11,16]__

48.output of the following code___Infinity loop with 0______

>>>i=0

>>>while True:

>>> print(i)

49. output of the following code__'wtirS olleH'_______

>>>”Hello Sritw”[::-1]

50. output of the following code___<class ‘set’>______

>>>a={2}

>>>type(a)

JNTUH B Tech Python Programming MCQ's

1. Which of these in not a core data type?

a) Lists
b) Dictionary
c) Tuples
d) Class
2. Given a function that does not return any value, What value is thrown by default when executed in shell.
a) int
b) bool
c) void
d) None
3. Following set of commands are executed in shell, what will be the output?

1.     >>>str="hello"
2.     >>>str[:2]
3.     >>>

a) he
b) lo
c) olleh
d) hello

4. What data type is the object below ?

L = [1, 23, ‘hello’, 1].
a) list
b) dictionary
c) array
d) tuple
5. In order to store values in terms of key and value we use what core data type.

a) list
b) tuple
c) class
d) dictionary

6. Which is the correct operator for power(x^y)?

a) X^y
b) X**y
c) X^^y
d) None of the mentioned

7. Which one of these is floor division?
a) /
b) //
c) %
d) None of the mentioned

8. What is the order of precedence in python?
i) Parentheses
ii) Exponential
iii) Multiplication
iv) Division
v) Addition
vi) Subtraction
a) i,ii,iii,iv,v,vi
b) ii,i,iii,iv,v,vi
c) ii,i,iv,iii,v,vi
d) i,ii,iii,iv,vi,v

9. What is the answer to this expression, 22 % 3 is?
a) 7
b) 1
c) 0
d) 5

10. What is the output of this expression, 3*1**3?
a) 27
b) 9
c) 3
d) 1

11. Which of the following is not a complex number?

a) k = 2 + 3j
b) k = complex(2, 3)
c) k = 2 + 3l
d) k = 2 + 3J

12. What does 3 ^ 4 evaluate to?
a) 81
b) 12
c) 0.75
d) 7

13. What is the output of the code snippet shown below?

X=”hi”

print(“05d”%X)

a) 00000hi
b) 000hi
c) hi000
d) error

14. What is the output of the following expression if x=456?

print("%-06d"%x)

a) 000456
b) 456000
c) 456
d) error
15. What is the output of the following expression if X=345?

print(“%06d”%X)

a) 345000
b) 000345
c) 000000345
d) 345000000

16. What is the result of the expression shown below if x=56.236?

print("%.2f"%x)

a) 56.00
b) 56.24
c) 56.23
d) 0056.236

17. The output of the code shown below is:

s='{0}, {1}, and {2}'

s.format('hello', 'good', 'morning')

a) ‘hello good and morning’
b) ‘hello, good, morning’
c) ‘hello, good, and morning’
d) Error

18. What is the output of the code shown?

s='%s, %s & %s'

s%('mumbai', 'kolkata', 'delhi')

a) mumbai kolkata & delhi
b) Error
c) No output
d) ‘mumbai, kolkata & delhi’

19. What is the output of the following?

x = ['ab', 'cd']

for i in x:

x.append(i.upper())

print(x)

a) [‘AB’, ‘CD’].
b) [‘ab’, ‘cd’, ‘AB’, ‘CD’].
c) [‘ab’, ‘cd’].
d) none of the mentioned

20. What is the output of the following?

i = 1

while True:

if i%3 == 0:

break

print(i,end=’ ‘)

i + = 1

a) 1 2
b) 1 2 3
c) error
d) none of the mentioned

21. What is the output of the following?

i = 1

while True:

if i%2 == 0:

break

print(i)

i += 2

a) 1
b) 1 2
c) 1 2 3 4 5 6 …
d) 1 3 5 7 9 11 …

22. What is the output when following statement is executed ?

1. >>>"abcd"[2:]

a) a
b) ab
c) cd
d) dc

23. What is the output when following code is executed ?

1. >>> str1 = 'hello'

2. >>> str1[-1:]

a) olleh
b) hello
c) h
d) o

24. What arithmetic operators cannot be used with strings ?
a) +
b) *
c) –
d) All of the mentioned

25. What is the output when following code is executed ?

1. >>>str1="helloworld"

2. >>>str1[::-1]

a) dlrowolleh
b) hello
c) world
d) helloworld

26. What is the output of the following?

print("ccdcddcd".find("c"))

a) 4
b) 0
c) Error
d) True

27. What is the output of the following?

print("Hello {0} and {1}".format('foo', 'bin'))

a) Hello foo and bin
b) Hello {0} and {1} foo bin
c) Error
d) Hello 0 and 1

28. What is the output of the following?

print('abc'.islower())

a) True
b) False
c) None
d) Error

29. 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

30. What is the output when we execute list(“hello”)?
a) [‘h’, ‘e’, ‘l’, ‘l’, ‘o’].
b) [‘hello’].
c) [‘llo’].
d) [‘olleh’].

31. Suppose listExample is [‘h’,’e’,’l’,’l’,’o’], what is len(listExample)?
a) 5
b) 4
c) None
d) Error

32. Suppose list1 is [2445,133,12454,123], what is max(list1) ?
a) 2445
b) 133
c) 12454
d) 123

33. Suppose list1 is [1, 5, 9], what is sum(list1) ?
a) 1
b) 9
c) 15
d) Error

34. Suppose list1 is [2, 33, 222, 14, 25], What is list1[-1] ?
a) Error
b) None
c) 25
d) 2

35. What is the output of the following code?

a=[1,2,3]

b=a.append(4)

print(a)

print(b)

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].

36. What will be the output when executed in python shell?

>>> a=[14,52,7]

>>>> b=a.copy()

>>> b is a

a) True
b) False

37. What is the output of the following code?

a=[13,56,17]

a.append([87])

a.extend([45,67])

print(a)

a) [13, 56, 17, [87], 45, 67].
b) [13, 56, 17, 87, 45, 67].
c) [13, 56, 17, 87,[ 45, 67]].
d) [13, 56, 17, [87], [45, 67]].

38. What is the output of the following piece of code?

a=list((45,)*4)

print((45)*4)

print(a)

a) 180
[(45),(45),(45),(45)].
b) (45,45,45,45).
[45,45,45,45].
c) 180
[45,45,45,45].
d) Syntax error

39. What is the output of the following code?

lst=[[1,2],[3,4]]

print(sum(lst,[]))

a) [[3],[7]].
b) [1,2,3,4].
c) Error
d) [10].

40. What is the output of the following code?

word1="Apple"

word2="Apple"

list1=[1,2,3]

list2=[1,2,3]

print(word1 is word2)

print(list1 is list2)

a) True
True
b) False
True
c) False
False
d) True
False

41. What is the output of the following piece of code?

x=[[1],[2]]

print(" ".join(list(map(str,x))))

a) [1] [2].
b) [49] [50].
c) Syntax error
d) [[1]] [[2]].

42. What is the output of the following code?

a=165

b=sum(list(map(int,str(a))))

print(b)

a) 561
b) 5
c) 12
d) Syntax error

43. What is the output of the following code?

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 = " ")

a) 5 5 1 2 3
b) 5 1 2 3 4
c) 2 3 4 5 1
d) 2 3 4 5 5

44. What is the output of the following code?

num = ['One', 'Two', 'Three']

for i, x in enumerate(num):

print('{}: {}'.format(i, x),end=" ")

a) 1: 2: 3:
b) Exception is thrown
c) One Two Three
d) 0: One 1: Two 2: Three

45. Which of the following is a Python tuple?
a) [1, 2, 3].
b) (1, 2, 3)
c) {1, 2, 3}
d) {}

46. Suppose t = (1, 2, 4, 3), which of the following is incorrect?
a) print(t[3])
b) t[3] = 45
c) print(max(t))
d) print(len(t))

47. What will be the output?

1. >>>t=(1,2,4,3)

2. >>>t[1:3]

a) (1, 2)
b) (1, 2, 4)
c) (2, 4)
d) (2, 4, 3)

48. What will be the output?

1. >>>t=(1,2,4,3)

2. >>>t[1:-1]

a) (1, 2)
b) (1, 2, 4)
c) (2, 4)
d) (2, 4, 3)

49. What will be the output?

1. >>>t = (1, 2, 4, 3, 8, 9)

2. >>>[t[i] for i in range(0, len(t), 2)]

a) [2, 3, 9].
b) [1, 2, 4, 3, 8, 9].
c) [1, 4, 8].
d) (1, 4, 8)

50. What will be the output?

1. d = {"john":40, "peter":45}

2. d["john"]

a) 40
b) 45
c) “john”
d) “peter”

50. What is the output of the code shown?

x=3.3456789

'%s' %x, str(x)

a) Error
b) (‘3.3456789’, ‘3.3456789’)
c) (3.3456789, 3.3456789)
d) (‘3.3456789’, 3.3456789)

51. What is the output of the code shown?

'%(qty)d more %(food)s' %{'qty':1, 'food': 'spam'}

a) Error
b) No output
c) ‘1 more foods’
d) ‘1 more spam’

52. What is the output of the code shown?

a='hello'

q=10

vars()

a) {‘a’ : ‘hello’, ‘q’ : 10, ……..plus built-in names set by Python….}
b) {……Built in names set by Python……}
c) {‘a’ : ‘hello’, ‘q’ : 10}
d) Error

53. The output of the code shown below is:

s='{0}, {1}, and {2}'

s.format('hello', 'good', 'morning')

a) ‘hello good and morning’
b) ‘hello, good, morning’
c) ‘hello, good, and morning’
d) Error

54. What is the output of the code shown?

s='%s, %s & %s'

s%('mumbai', 'kolkata', 'delhi')

a) mumbai kolkata & delhi
b) Error
c) No output
d) ‘mumbai, kolkata & delhi’

55. What is the output of the code shown below?

t = '%(a)s, %(b)s, %(c)s'

t % dict(a='hello', b='world', c='universe')

a) ‘hello, world, universe’
b) ‘hellos, worlds, universes’
c) Error
d) hellos, world, universe

56. What is the output of the code shown?

'{a}, {0}, {abc}'.format(10, a=2.5, abc=[1, 2])

a) Error
b) ‘2.5, 10, [1, 2]’
c) 2.5, 10, 1, 2
d) ’10, 2.5, [1, 2]’

57. What is the output of the code shown below?

'{0:.2f}'.format(1.234)

a) ‘1’
b) ‘1.234’
c) ‘1.23’
d) ‘1.2’

58. What is the output of the code shown below?

'%x %d' %(255, 255)

a) ‘ff, 255’
b) ‘255, 255’
c) ‘15f, 15f’
d) Error

59. The output of the two codes shown below is the same. State whether true or false.

'{0:.2f}'.format(1/3.0)

'%.2f'%(1/3.0)

a) True
b) False

60. What is the output of the following?

x = ['ab', 'cd']

for i in x:

    i.upper()

print(x)

a) [‘ab’, ‘cd’].
b) [‘AB’, ‘CD’].
c) [None, None].
d) none of the mentioned

61. What is the output of the following?

x = ['ab', 'cd']

for i in x:

    x.append(i.upper())

print(x)

a) [‘AB’, ‘CD’].
b) [‘ab’, ‘cd’, ‘AB’, ‘CD’].
c) [‘ab’, ‘cd’].
d) none of the mentioned

62. What is the output of the following?

i = 1

while True:

    if i%3 == 0:

        break

    print(i)

    i + = 1

a) 1 2
b) 1 2 3
c) error
d) none of the mentioned

63. What is the output of the following?

i = 1

while True:

    if i%0O7 == 0:

        break

    print(i)

    i += 1

a) 1 2 3 4 5 6
b) 1 2 3 4 5 6 7
c) error
d) none of the mentioned

64. What is the output of the following?

i = 5

while True:

    if i%0O11 == 0:

        break

    print(i)

    i += 1

a) 5 6 7 8 9 10
b) 5 6 7 8
c) 5 6
d) error

65. What is the output of the following?

i = 5

while True:

    if i%0O9 == 0:

        break

    print(i)

    i += 1

a) 5 6 7 8
b) 5 6 7 8 9
c) 5 6 7 8 9 10 11 12 13 14 15 ….
d) error

66. What is the output of the following?

i = 1

while True:

    if i%2 == 0:

        break

    print(i)

    i += 2

a) 1
b) 1 2
c) 1 2 3 4 5 6 …
d) 1 3 5 7 9 11 …

67. What is the output of the following?

i = 2

while True:

    if i%3 == 0:

        break

    print(i)

    i += 2

a) 2 4 6 8 10 …
b) 2 4
c) 2 3
d) error

68. What is the output of the following?

i = 1

while False:

    if i%2 == 0:

        break

    print(i)

    i += 2

a) 1
b) 1 3 5 7 …
c) 1 2 3 4 …
d) none of the mentioned

69. What is the output of the following?

True = False

while True:

    print(True)

    break

a) True
b) False
c) None
d) none of the mentioned

70. What is the output when following statement is executed ?

1.     >>>"a"+"bc"

a) a
b) bc
c) bca
d) abc

71. What is the output when following statement is executed ?

1.     >>>"abcd"[2:]

a) a
b) ab
c) cd
d) dc

72. The output of executing string.ascii_letters can also be achieved by:
a) string.ascii_lowercase_string.digits
b) string.ascii_lowercase+string.ascii_upercase
c) string.letters
d) string.lowercase_string.upercase

73. What is the output when following code is executed ?

1.     >>> str1 = 'hello'

2.     >>> str2 = ','

3.     >>> str3 = 'world'

4.     >>> str1[-1:]

a) olleh
b) hello
c) h
d) o

74. What arithmetic operators cannot be used with strings ?
a) +
b) *
c) –
d) All of the mentioned

75. What is the output when following code is executed ?

1.     >>>print (r"\nhello")

a) a new line and hello
b) \nhello
c) the letter r and then hello
d) error

76. What is the output when following statement is executed ?

1.     >>>print('new' 'line')

a) Error
b) Output equivalent to print ‘new\nline’
c) newline
d) new line

77. What is the output when following statement is executed ?
>>> print(‘x\97\x98’)
a) Error
b) 97
98
c) x\97
d) \x97\x98

78. What is the output when following code is executed ?

1.     >>>str1="helloworld"

2.     >>>str1[::-1]

a) dlrowolleh
b) hello
c) world
d) helloworld

79. print(0xA + 0xB + 0xC) :
a) 0xA0xB0xC
b) Error
c) 0x22
d) 33

80. What is the output of the following?

print("ab\tcd\tef".expandtabs())

a) ab cd ef
b) abcdef
c) ab\tcd\tef
d) ab cd ef

81. What is the output of the following?

print("ab\tcd\tef".expandtabs(4))

a) ab cd ef
b) abcdef
c) ab\tcd\tef
d) ab cd ef

82. What is the output of the following?

print("ab\tcd\tef".expandtabs('+'))

a) ab+cd+ef
b) ab++++++++cd++++++++ef
c) ab cd ef
d) none of the mentioned

83. What is the output of the following?

print("abcdef".find("cd") == "cd" in "abcdef")

a) True
b) False
c) Error
d) None of the mentioned

84. What is the output of the following?

print("abcdef".find("cd"))

a) True
b) 2
c) 3
d) None of the mentioned

85. What is the output of the following?

print("ccdcddcd".find("c"))

a) 4
b) 0
c) Error
d) True

86. What is the output of the following?

print("Hello {0} and {1}".format('foo', 'bin'))

a) Hello foo and bin
b) Hello {0} and {1} foo bin
c) Error
d) Hello 0 and 1

87. What is the output of the following?

print("Hello {1} and {0}".format('bin', 'foo'))

a) Hello foo and bin
b) Hello bin and foo
c) Error
d) None of the mentioned

88. What is the output of the following?

print("Hello {} and {}".format('foo', 'bin'))

a) Hello foo and bin
b) Hello {} and {}
c) Error
d) Hello and

89. What is the output of the following?

print("Hello {name1} and {name2}".format('foo', 'bin'))

a) Hello foo and bin
b) Hello {name1} and {name2}
c) Error
d) Hello and

90. What is the output of the following?

print('for'.isidentifier())