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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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