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Dictionary |
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| 106)Dictionary is a set of _______ elements. | |||
| unordered | ordered | ||
| sorted | unsorted | ||
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| 107)Dictionary is ______ type of data type. | |||
| mutable | immutable | ||
| ordinary | all of these | ||
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| 108)Dictionary is also called _______ | |||
| hash table | mapping | ||
| associative array | all of these | ||
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| 109)Which of the following dictionary methods returns keys of the dictionary? | |||
| values() | keys() | ||
| update() | items() | ||
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| 110)Which of the following dictionary methods creates a dictionary with given keys and common values? | |||
| default() | update() | ||
| fromkeys() | values() | ||
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| 111)Which of the following dictionary methods will add a key-value pair in the dictionary only if it does not exist? | |||
| fromkeys() | setdefault() | ||
| update() | items() | ||
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| 112)If no values are specified in fromkeys() method then which of the following values are assigned to the keys? | |||
| 0 | 1 | ||
| null | None | ||
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| 113)Which of the following methos is used to join two dictionaries? | |||
| update() | setdefault() | ||
| copy() | join() | ||
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| 114)Which of the following methods can be used to delete element from a dictionary? | |||
| pop() | del | ||
| popitem() | all of these | ||
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| 115)Which of the methods of a dictionary will raise an error if the key is not there in the dictionary | |||
| del | pop() | ||
| popitem() | all of these | ||
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116)Which of the following statements is correct with respect to the given code?
d={'x' : 10, 'y' : 20}
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| a dictionary 'd' is created | 'x' and 'y' are two keys of the dictionary | ||
| 10 and 20 are two values of the dictionary | all of these | ||
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117)A dictionary is defined as below-
d={'a':10, 'b':20, 'c':30}
Then what will be printed by print('b' in d) |
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| False | True | ||
| Error | None | ||
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118)A dictionary is defined as below-
d={'a':10, 'b':20, 'c':30}
Then what will be printed by print(30 in d) |
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| Error | None | ||
| False | True | ||
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| 119)Keys of a dictionary must be of ______ type | |||
| integer | string | ||
| mutable | immutable | ||
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120)What will be the output of the following code?
d={'apple':10, 'banana':20, 'orange':30}
print(d[0])
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| apple | 10 | ||
| Error | None | ||
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