Which method in the interface for a dictionary collection returns an iterator on the keys in the dictionary? a. values() b. pairs() c. keys() d. entries()
Which method in the interface for a dictionary collection returns an iterator on the keys in the dictionary? a. values() b. pairs() c. keys() d. entries()
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
1)
Which method in the interface for a dictionary collection returns an iterator on the keys in the dictionary?
a. |
values() |
|
b. |
pairs() |
|
c. |
keys() |
|
d. |
entries() |
2) Which method in the interface for a dictionary collection returns an iterator on the values in the dictionary?
a. |
entries() |
|
b. |
values() |
|
c. |
keys() |
|
d. |
pairs() |
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