Dictionaries: Given the following dictionary definitions: Foo = {1:’B’, 2:’D’, 3:’C’, 4:’A’} Bar = {A:’3’,’B’:1,’C’:2,’D’:4}
Dictionaries: Given the following dictionary definitions: Foo = {1:’B’, 2:’D’, 3:’C’, 4:’A’} Bar = {A:’3’,’B’:1,’C’:2,’D’:4}
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
- Dictionaries:
- Given the following dictionary definitions:
Foo = {1:’B’, 2:’D’, 3:’C’, 4:’A’}
Bar = {A:’3’,’B’:1,’C’:2,’D’:4}
Give the resulting value for each of the following expressions:
Foo[Bar[‘A’]]
Foo[Bar[‘B’]]
Bar[Foo[1]]
Bar[Foo[2]]
- Use a for loop to display the key/value pairs in the above dictionary, one pair to a line.
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