Multiple Choice Questions -list & Dictionary
.
- 1.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
- 2.What is the output when we execute list(“hello”)?
- A.
[‘h’, ‘e’, ‘l’, ‘l’, ‘o’]
- B.
[‘hello’]
- C.
[‘llo’]
- D.
[‘olleh’]
- 3.Suppose listExample is [‘h’,’e’,’l’,’l’,’o’], what is len(listExample)?
- A.
5
- B.
4
- C.
None
- D.
Error
- 4.Suppose list1 is [2445,133,12454,123], what is max(list1)?
- A.
2445
- B.
133
- C.
12454
- D.
123
- 5.Suppose list1 is [1, 5, 9], what is sum(list1)?
- A.
1
- B.
9
- C.
15
- D.
Error
- 6.Suppose list1 is [2, 33, 222, 14, 25], What is list1[-1]?
- A.
Error
- B.
None
- C.
25
- D.
2
- 7.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]
- 8.Suppose list1 is [1, 3, 2], What is list1 * 2?
- A.
[2, 6, 4]
- B.
[1, 3, 2, 1, 3]
- C.
[1, 3, 2, 1, 3, 2]
- D.
[1, 3, 2, 3, 2, 1]
- 9.To add a new element to a list we use which command?
- A.
List1.add(5)
- B.
List1.append(5)
- C.
List1.addLast(5)
- D.
List1.addEnd(5)
- 10.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]
- 11.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]
- 12.Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.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]
- 13.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]
- 14.What will be the output of the following Python code? >>>"Welcome to Python".split()
- A.
[“Welcome”, “to”, “Python”]
- B.
(“Welcome”, “to”, “Python”)
- C.
{“Welcome”, “to”, “Python”}
- D.
“Welcome”, “to”, “Python”
- 15.What will be the output of the following Python code? >>>list("a#b#c#d".split('#'))
- A.
[‘a’, ‘b’, ‘c’, ‘d’]
- B.
[‘a b c d’]
- C.
[‘a#b#c#d’]
- D.
[‘abcd’]
- 16.To which of the following the “in” operator can be used to check if an item is in it?
- A.
Lists
- B.
Dictionary
- C.
Set
- D.
All of the mentioned
- 17.What will be the output of the following Python code? list1 = [1, 2, 3, 4] list2 = [5, 6, 7, 8] print(len(list1 + list2))
- A.
2
- B.
4
- C.
5
- D.
8
- 18.Which of the following statements create a dictionary?
- A.
D = {}
- B.
D = {“john”:40, “peter”:45}
- C.
D = {40:”john”, 45:”peter”}
- D.
All of the mentioned
- 19.What will be the output of the following Python code snippet? d = {"john":40, "peter":45}
- A.
“john”, 40, 45, and “peter”
- B.
“john” and “peter”
- C.
40 and 45
- D.
D = (40:”john”, 45:”peter”)
- 20.What will be the output of the following Python code snippet? d = {"john":40, "peter":45} "john" in d
- A.
True
- B.
False
- C.
None
- D.
Error
- 21.Which of these about a dictionary is false?
- A.
The values of a dictionary can be accessed using keys
- B.
The keys of a dictionary can be accessed using values
- C.
Dictionaries aren’t ordered
- D.
Dictionaries are mutable
- 22.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.
{ }
- 23.What will be the output of the following Python code snippet? a={1:"A",2:"B",3:"C"} for i,j in a.items(): print(i,j,end=" ")
- A.
1 A 2 B 3 C
- B.
1 2 3
- C.
A B C
- D.
1:”A” 2:”B” 3:”C”
- 24.What will be the output of the following Python code snippet? a={1:"A",2:"B",3:"C"} print(a.get(1,4))
- A.
1
- B.
A
- C.
4
- D.
Invalid syntax for get method
- 25.What will be the output of the following Python code snippet? a={1:"A",2:"B",3:"C"} print(a.get(5,4))
- A.
Error, invalid syntax
- B.
A
- C.
5
- D.
4
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