Pregunta 1
Pregunta
Slicing is used to extract a part of the tuple
Pregunta 2
Pregunta
Each key is separated from its value by a colon
Pregunta 3
Pregunta
Keys are unique and act as the index
Pregunta 4
Pregunta
Keys are of mutable type but values can be immutable
Pregunta 5
Pregunta
Elements of tuple is enclosed in square brackets
Pregunta 6
Pregunta
What will be the output of the following Python code?
>>>t=(1,2,4,3)
>>>t[1:-1]
Respuesta
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(1, 2)
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(1, 2, 4)
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(2,4)
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(2, 4, 3)
Pregunta 7
Pregunta
What will be the output of the following Python code?
>>>t = (1, 2, 4, 3, 8, 9)
>>>[t[i] for i in range(0, len(t), 2)]
Respuesta
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[2, 3, 9]
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[1, 2, 4, 3, 8, 9]
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[1,4,8]
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(1, 4, 8)
Pregunta 8
Pregunta
What will be the output of the following Python code?
>>>t = (1, 2)
>>>2 * t
Respuesta
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[1, 2, 1, 2]
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(1, 1, 2, 2)
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[1, 1, 2, 2]
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(1,2,1,2)
Pregunta 9
Pregunta
What will be the output of the following Python code?
>>>t1 = (1, 2, 4, 3)
>>>t2 = (1, 2, 3, 4)
>>>t1 < t2
Pregunta 10
Pregunta
Which of the following statements create a dictionary?
Respuesta
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d = {}
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d = {“john”:40, “peter”:45}
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d = {40:”john”, 45:”peter”}
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All of the above
Pregunta 11
Pregunta
What will be the output of the following Python code snippet?
d = {"john":40, "peter":45}
"john" in d
Pregunta 12
Pregunta
Which of these about a dictionary is false?
Respuesta
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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
Pregunta 13
Pregunta
If a is a dictionary with some key-value pairs, what does a.popitem() do?
Respuesta
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Removes an arbitrary element
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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
Pregunta 14
Pregunta
What will be the output of the following Python code snippet?
>>> a={1:"A",2:"B",3:"C"}
>>> del a
Respuesta
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method del doesn’t exist for the dictionary
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del deletes the values in the dictionary
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del deletes the entire dictionary
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del deletes the keys in the dictionary
Pregunta 15
Pregunta
Which of the statements about dictionary values if false?
Respuesta
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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