Which of the following statements a), b) or c) is false? a. Dictionary comprehensions provide a convenient notation for quickly generating dictionaries, often by mapping one dictionary to another. b. The following code, which has a dictionary with unique values, reverses the key–value pairs: months2 = {number: name for name, number in months.items()} O. If the values in Part (b) were not unique, then the code would generate a ValueError. O d. All of the above statements are true.

Which of the following statements a), b) or c) is false? a. Dictionary comprehensions provide a convenient notation for quickly generating dictionaries, often by mapping one dictionary to another. b. The following code, which has a dictionary with unique values, reverses the key–value pairs: months2 = {number: name for name, number in months.items()} O. If the values in Part (b) were not unique, then the code would generate a ValueError. O d. All of the above statements are true.

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

See similar textbooks

Similar questions

State Kepler's third law.
165. Spiral model originally proposed by a. Boehm b. Winston c. Royce d. Dexter
explain about Flynn’s classification
GQ4 Solutions in Genetic Algorithms are encoded as • Genes Chromosomes Real numbers
Construct the truth table
If you had to guess, what year did the first ENIAC appear?