We have a structure for each planet of the form: earth = {'planet_no': 3, 'water': True, 'life': True, 'population': 7.44e12} and similarly for the other planets on our solar system. They are all contained in a list: solar_system = [mercury, venus, earth, mars, jupiter, saturn, uranus, neptun] Which command will tell us whether there's water on Earth? Select one: a. solar_system[2]['water'] O b. solar_system[3]['water'] C. solar_system['earth']['water']

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
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We have a structure for each planet of the form:
earth = {'planet_no': 3, 'water': True, 'life': True, 'population': 7.44e12}
and similarly for the other planets on our solar system.
They are all contained in a list:
solar_system = [mercury, venus, earth, mars, jupiter, saturn, uranus, neptun]
Which command will tell us whether there's water on Earth?
Select one:
a. solar_system[2]['water']
solar_system[3]['water']
C. solar_system['earth']['water']
d.
solar_system[2][1]
Transcribed Image Text:2 ete t of We have a structure for each planet of the form: earth = {'planet_no': 3, 'water': True, 'life': True, 'population': 7.44e12} and similarly for the other planets on our solar system. They are all contained in a list: solar_system = [mercury, venus, earth, mars, jupiter, saturn, uranus, neptun] Which command will tell us whether there's water on Earth? Select one: a. solar_system[2]['water'] solar_system[3]['water'] C. solar_system['earth']['water'] d. solar_system[2][1]
Expert Solution
Step 1

Required language is python:

 

Answer: Option (a) is true.

 

Option (b): false

Option (c): false, 

because list indices must be integers or slices, not str
 

Option (d): false, due to key error

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