Python Questions and Answers – Lists – 6

This set of Python Multiple Choice Questions & Answers (MCQs) focuses on “Lists-6”.

1. What will be the output of the following Python code?

a=[10,23,56,[78]]
b=list(a)
a[3][0]=95
a[1]=34
print(b)

a) [10,34,56,[95]]
b) [10,23,56,[78]]
c) [10,23,56,[95]]
d) [10,34,56,[78]]
View Answer

2. What will be the output of the following Python code?

print(list(zip((1,2,3),('a'),('xxx','yyy'))))
print(list(zip((2,4),('b','c'),('yy','xx'))))

a)

[(1,2,3),(‘a’),(‘xxx’,’yyy’)]
[(2,4),(‘b’,’c’),(‘yy’,’xx’)]

b)

[(1, 'a', 'xxx'),(2,’ ‘,’yyy’),(3,’ ‘,’ ‘)]
[(2, 'b', 'yy'), (4, 'c', 'xx')]

c) Syntax error
d)

[(1, 'a', 'xxx')]
[(2, 'b', 'yy'), (4, 'c', 'xx')]

3. What will be the output of the following Python code?

import copy
a=[10,23,56,[78]]
b=copy.deepcopy(a)
a[3][0]=95
a[1]=34
print(b)

a) [10,34,56,[95]]
b) [10,23,56,[78]]
c) [10,23,56,[95]]
d) [10,34,56,[78]]
View Answer

4. What will be the output of the following Python code?

s="a@b@c@d"
a=list(s.partition("@"))
print(a)
b=list(s.split("@",3))
print(b)

a)

[‘a’,’b’,’c’,’d’]
[‘a’,’b’,’c’,’d’]

b)

[‘a’,’@’,’b’,’@’,’c’,’@’,’d’]
[‘a’,’b’,’c’,’d’]

c)

[‘a’,’@’,’b@c@d’]
[‘a’,’b’,’c’,’d’]

d)

[‘a’,’@’,’b@c@d’]
[‘a’,’@’,’b’,’@’,’c’,’@’,’d’]

5. What will be the output of the following Python code?

a=[1,2,3,4]
b=[sum(a[0:x+1]) for x in range(0,len(a))]
print(b)

a) 10
b) [1,3,5,7]
c) 4
d) [1,3,6,10]
View Answer

6. What will be the output of the following Python code?

a="hello"
b=list((x.upper(),len(x)) for x in a)
print(b)

a) [(‘H’, 1), (‘E’, 1), (‘L’, 1), (‘L’, 1), (‘O’, 1)]
b) [(‘HELLO’, 5)]
c) [(‘H’, 5), (‘E’, 5), (‘L’, 5), (‘L’, 5), (‘O’, 5)]
d) Syntax error
View Answer

7. What will be the output of the following Python code?

a=[1,2,3,4]
b=[sum(a[0:x+1]) for x in range(0,len(a))]
print(b)

a) 10
b) [1,3,5,7]
c) 4
d) [1,3,6,10]
View Answer

8. What will be the output of the following Python code?

a=[[]]*3
a[1].append(7)
print(a)

a) Syntax error
b) [[7], [7], [7]]
c) [[7], [], []]
d) [[],7, [], []]
View Answer

9. What will be the output of the following Python code?

b=[2,3,4,5]
a=list(filter(lambda x:x%2,b))
print(a)

a) [2,4]
b) [ ]
c) [3,5]
d) Invalid arguments for filter function
View Answer

10. What will be the output of the following Python code?

lst=[3,4,6,1,2]
lst[1:2]=[7,8]
print(lst)

a) [3, 7, 8, 6, 1, 2]
b) Syntax error
c) [3,[7,8],6,1,2]
d) [3,4,6,7,8]
View Answer

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