21322504
Beschreibung
Quiz von Aparna Dhirde, aktualisiert more than 1 year ago
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Erstellt von Aparna Dhirde
vor mehr als 4 Jahre
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Frage 1
Frage
Keys in dictionary are of mutable type but values can be immutable.
Antworten
- True
- False
Frage 2
Frage
List is enclosed in square brackets
Antworten
- True
- False
Frage 3
Frage
Slicing is used to extract a part of the list
Antworten
- True
- False
Frage 4
Frage
Each key is separated from its value by a colon.
Antworten
- True
- False
Frage 5
Frage
Keys are unique and act as the index.
Antworten
- True
- False
Frage 6
Frage
If a is a dictionary with some key-value pairs, what does a.popitem() do?
Antworten
-
Removes an arbitrary element
-
Removes all the key-value pairs
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Removes the key-value pair for the key given as an argument
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Invalid method for dictionary
Frage 7
Frage
What will be the output of the following Python code snippet?
>>> a={1:"A",2:"B",3:"C"}
>>> del a
Antworten
-
method del doesn’t exist for the dictionary
-
del deletes the values in the dictionary
-
del deletes the entire dictionary
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del deletes the keys in the dictionary
Frage 8
Frage
Which of the statements about dictionary values if false?
Antworten
-
More than one key can have the same value
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The values of the dictionary can be accessed as dict[key]
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Values of a dictionary must be unique
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Values of a dictionary can be a mixture of letters and numbers
Frage 9
Frage
What will be the output of the following Python code snippet?
a={1:"A",2:"B",3:"C"}
print(a.get(5,4))
Antworten
-
Error, invalid syntax
-
A
-
5
-
4
Frage 10
Frage
What will be the output of the following Python code snippet?
a={1:"A",2:"B",3:"C"}
print(a.get(1,4))
Antworten
-
1
-
A
-
4
-
Invalid syntax for get method
Frage 11
Frage
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=" ")
Antworten
-
1 A 2 B 3 C
-
1 2 3
-
A B C
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1:”A” 2:”B” 3:”C”
Frage 12
Frage
Which of these about a dictionary is false?
Antworten
-
The values of a dictionary can be accessed using keys
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The keys of a dictionary can be accessed using values
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Dictionaries aren’t ordered
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Dictionaries are mutable
Frage 13
Frage
Suppose list Example is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.pop()?
Antworten
-
[3, 4, 5, 20, 5, 25, 1]
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[1, 3, 3, 4, 5, 5, 20, 25]
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[3, 5, 20, 5, 25, 1, 3]
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[1, 3, 4, 5, 20, 5, 25]
Frage 14
Frage
To add a new element to a list we use which command?
Antworten
-
list1.add(5)
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list1.append(5)
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list1.addLast(5)
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list1.addEnd(5)
Frage 15
Frage
Suppose list1 is [2, 33, 222, 14, 25], What is list1[-1]?
Antworten
-
error
-
none
-
25
-
2
Frage 16
Frage
Suppose list1 is [1, 6, 9], what is sum(list1)?
Antworten
-
1
-
9
-
16
-
error
Frage 17
Frage
Suppose list1 is [2445,133,12454,123], what is min(list1)?
Antworten
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2445
-
123
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133
-
12454
Frage 18
Frage
Which of the following commands will create a list?
Antworten
-
list1 = list()
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list1 = []
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list1 = list([1, 2, 3])
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all of the mentioned
Frage 19
Frage
Suppose list1 is [2, 33, 222, 14, 25], What is list1[:-1]?
Antworten
-
[2, 33, 222, 14]
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Error
-
25
-
[25, 14, 222, 33, 2]
Frage 20
Frage
What will be the output of the following Python code?
>>>"Welcome to Python".split()
Antworten
-
[“Welcome”, “to”, “Python”]
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(“Welcome”, “to”, “Python”)
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{“Welcome”, “to”, “Python”}
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“Welcome”, “to”, “Python”
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