1. Which of the following is invalid identifier declaration?

A . _a = 1

B . __a = 1

C . __str__ = 1

D . none of the mentioned

Answer

2. Which of the following is an invalid statement?

A . abc = 1,000,000

B . a b c = 1000 2000 3000

C . a,b,c = 1000, 2000, 3000

D . a_b_c = 1,000,000

Answer

3. What error occurs when you execute?  
>>>apple = mango

A . SyntaxError

B . NameError

C . ValueError

D . TypeError

Answer

4. 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

Answer

5. True = False
while True:
    print(True)
    break

A . 1

B .

C . Error

D . none of the mentioned

Answer

6. What is the output of the following?

for i in range(10):
    if i == 5:
        break
    else:
        print(i)
else:
    print("Here")

A . 0 1 2 3 4 Here

B .  0 1 2 3 4 5 Here

C . 0 1 2 3 4

D . 1 2 3 4 5

Answer

7. What is the output of the following?

print("xyyzxyzxzxyy".count(`xyy`, -10, -1))

A . 2

B . 0

C . 1

D . Error

Answer

8. What is the output of the following?

print("ab\tcd\tef".expandtabs(1))

A . ab cd ef

B . abcdef

C . ab cd ef

D . Error

Answer

9. What is the output of the following?

print(`ab,12`.isalnum())

A . 1

B .

C . Error

D . none of the mentioned

Answer

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

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 = " ")

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

Answer

11. values = [[3, 4, 5, 1], [33, 6, 1, 2]]
 
v = values[0][0]
for row in range(0, len(values)):
    for column in range(0, len(values[row])):
        if v < values[row][column]:
            v = values[row][column]
 
print(v)

A . 3

B . 5

C . 6

D . 33

Answer

12. What will be the output?

>>>my_tuple = (1, 2, 3, 4)
>>>my_tuple.append( (5, 6, 7) )
>>>print(len(my_tuple))

A . 7

B . 4

C . 3

D . Error

Answer

13. Is the following piece of code valid?

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

A . Yes, the entire tuple is deleted

B . Yes, first element in the tuple is deleted

C . No because tuple is immutable

D . No, invalid syntax for del method

Answer

14.  What is the output for the following piece of code?

>>> a={1,2,3}
>>> b=a
>>> b.remove(3)
>>> print(a)

A . {1,2,3}

B . {1,2}

C . Error, copying of sets isn’t allowed

D . Error, invalid syntax for remove

Answer

15. What is the output of the following code?

>>> a={1,2,3}
>>> b=a.add(4)
>>>print(b)

A . None

B . {1,2,3,4}

C . {1,2,3}

D . Error

Answer

16. The ____________ function removes the first element of a set and the last element of a list.

A . remove()

B . discard()

C . clear()

D . pop()

Answer

17. The difference between the functions discard and remove is that:

A . Discard removes the last element of the set whereas remove removes the first element of the set

B . Discard throws an error if the specified element is not present in the set whereas remove does not throw an error in case of absence of the specified element

C . Remove removes the last element of the set whereas discard removes the first element of the set

D .  Remove throws an error if the specified element is not present in the set whereas discard does not throw an error in case of absence of the specified element

Answer

18. What is the output of the following code?

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

A . [2,3,4]

B . 3

C . 2

D . 1

Answer

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

>>> a={`B`:5,`A`:9,`C`:7}
>>> print(sorted(a))

A . [‘A’,’B’,’C’].

B . [‘B’,’C’,’A’].

C . [5,7,9].

D . [9,5,7].

Answer

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

>>>names = [`Amir`, `Bear`, `Charlton`, `Daman`]
>>>print(names[-1][-1])

A . A

B . Daman

C . n

D . Charlton

Answer

21. What is the output of the following?

a = [0, 1, 2, 3]
for a[0] in a:
    print(a[0],end=" ")

A . 0 0 0 0

B . 0 1 2 3

C . 0 1 2 2

D . 3 3 3 3

Answer

22. Suppose list1 is [2, 33, 222, 14, 25], What is list1[:-1] ?

A .  [2, 33, 222, 14].

B . Error

C . 25

D . [25, 14, 222, 33, 2].

Answer

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

def f(values):
    values[0] = 44
 
v = [1, 2, 3]
f(v)
print(v)

A . [1, 44].

B . [1, 2, 3, 44].

C . [44, 2, 3].

D . [1, 2, 3].

Answer

24. What will be the output?

>>>t=(1,2,4,3)
>>>print(t[1:-1])

A . (1,2)

B . (2,3)

C . (1,3)

D . (2,4)

Answer

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

a={1:"A",2:"B",3:"C"}
print(a.get(1,4))

A . 1

B . A

C . 4

D . Error

Answer

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