Question1 In Python, which of the following collections is used to map unique keys to specific values? Select one alternative: tuple dictionary set list ResetMaximum marks: 2 Flag question undefined单项选择题
A
tuple
B
dictionary
C
set
D
list

Question

Question1 In Python, which of the following collections is used to map unique keys to specific values? Select one alternative: tuple dictionary set list ResetMaximum marks: 2 Flag question undefined

BlackTom AI · Accepted Answer

Consider what each Python collection type does in terms of data organization and access patterns.
Option 1: 'tuple' — a fixed-size, ordered collection of elements accessed by position. It does not provide a mechanism for mapping keys to values, so it cannot serve as a key-value mapping.
Option 2: 'dictionary' — a mapping type that associates unique keys with corresponding values. This is precisely the structure that lets you look up a value given its key, making it the standard solution for key-to-value mappings in Python.
Option 3: 'set' — an unordered collection of unique elements used primarily for membership tests and mathematical set operations. There is no concept of mapping keys to separate values here.
Option 4: 'list' — an ordered, mutable sequence accessed by index. It stores values in a sequence, not a key-value mapping, so it cannot map unique keys to values.
In summary, among the given options, only the dictionary provides the mapping from unique keys to specific values, aligning with the described requirement.

Question1 In Python, which of the following collections is used to map unique keys to specific values? Select one alternative: tuple dictionary set list ResetMaximum marks: 2 Flag question undefined单项选择题

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Question1 In Python, which of the following collections is used to map unique keys to specific values? Select one alternative: tuple list dictionary set ResetMaximum marks: 2 Flag question undefined

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