The following program includes 10 cities that two people have visited. Write a program that creates: 1. A set all cities that contains all of the cities both people have visited. 2. A set same_cities that contains only cities found in both person1_cities and person2_cities. 3. A set different_cities that contains cities found only in person1_cities or only in person2_cities. Sample output for all cities: ['Accra', 'Anaheim', 'Bangkok', 'Bend', 'Boise', 'Buenos Aires', 'Cairo', 'Edmonton', 'Lima', 'London', 'Memphis', 'Orlando', 'Paris', 'Seoul', 'Tokyo', 'Vancouver', 'Zurich'] NOTE: Because sets are unordered, they are printed using the sorted() function here for comparison. 427862.2461524.qx3zqy7 1 person1_cities = {'Edmonton', 'Vancouver', 'Paris', 'Bangkok', 'Bend', 'Boise', 'Memphis', 'Zurich', 'Accra', 'C 2 person2_cities = {'Accra', 'Orlando', 'Tokyo', 'Paris', 'Anaheim', 'Buenos Aires', 'London', 'Lima', 'Seoul', 'B 3 4# Use set methods to create sets all cities, same_cities, and different_cities. 5 7 print (sorted (all_cities)) 8 print (sorted (same_cities)) 9 print (sorted (different_cities))
The following program includes 10 cities that two people have visited. Write a program that creates: 1. A set all cities that contains all of the cities both people have visited. 2. A set same_cities that contains only cities found in both person1_cities and person2_cities. 3. A set different_cities that contains cities found only in person1_cities or only in person2_cities. Sample output for all cities: ['Accra', 'Anaheim', 'Bangkok', 'Bend', 'Boise', 'Buenos Aires', 'Cairo', 'Edmonton', 'Lima', 'London', 'Memphis', 'Orlando', 'Paris', 'Seoul', 'Tokyo', 'Vancouver', 'Zurich'] NOTE: Because sets are unordered, they are printed using the sorted() function here for comparison. 427862.2461524.qx3zqy7 1 person1_cities = {'Edmonton', 'Vancouver', 'Paris', 'Bangkok', 'Bend', 'Boise', 'Memphis', 'Zurich', 'Accra', 'C 2 person2_cities = {'Accra', 'Orlando', 'Tokyo', 'Paris', 'Anaheim', 'Buenos Aires', 'London', 'Lima', 'Seoul', 'B 3 4# Use set methods to create sets all cities, same_cities, and different_cities. 5 7 print (sorted (all_cities)) 8 print (sorted (same_cities)) 9 print (sorted (different_cities))
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
![### City Comparison Program
This program compares cities visited by two people and organizes them into three sets:
1. **Set `all_cities`:** Contains all cities visited by both individuals.
2. **Set `same_cities`:** Contains cities common to both individuals.
3. **Set `different_cities`:** Contains cities unique to either individual.
#### Sample Output for `all_cities`:
```
['Accra', 'Anaheim', 'Bangkok', 'Bend', 'Boise', 'Buenos Aires', 'Cairo', 'Edmonton', 'Lima', 'London', 'Memphis', 'Orlando', 'Paris', 'Seoul', 'Tokyo', 'Vancouver', 'Zurich']
```
**Note:** Since sets are unordered, the `sorted()` function is used to print them for comparison.
#### Code Explanation:
```python
person1_cities = {'Edmonton', 'Vancouver', 'Paris', 'Bangkok', 'Bend', 'Boise', 'Memphis', 'Zurich', 'Accra', 'Cairo'}
person2_cities = {'Accra', 'Orlando', 'Tokyo', 'Paris', 'Anaheim', 'Buenos Aires', 'London', 'Lima', 'Seoul', 'Bend'}
# Use set methods to create sets all_cities, same_cities, and different_cities.
print(sorted(all_cities))
print(sorted(same_cities))
print(sorted(different_cities))
```
The program uses set methods to compute:
- `all_cities` as the union of `person1_cities` and `person2_cities`.
- `same_cities` as the intersection of the two sets.
- `different_cities` as the symmetric difference between the sets.
This program helps to easily identify shared and unique travel experiences.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa8e544f6-2a18-482b-a93a-098131937c98%2Fb8e35b43-3078-48f7-a590-a53b170a4aa5%2Fn0fu0w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### City Comparison Program
This program compares cities visited by two people and organizes them into three sets:
1. **Set `all_cities`:** Contains all cities visited by both individuals.
2. **Set `same_cities`:** Contains cities common to both individuals.
3. **Set `different_cities`:** Contains cities unique to either individual.
#### Sample Output for `all_cities`:
```
['Accra', 'Anaheim', 'Bangkok', 'Bend', 'Boise', 'Buenos Aires', 'Cairo', 'Edmonton', 'Lima', 'London', 'Memphis', 'Orlando', 'Paris', 'Seoul', 'Tokyo', 'Vancouver', 'Zurich']
```
**Note:** Since sets are unordered, the `sorted()` function is used to print them for comparison.
#### Code Explanation:
```python
person1_cities = {'Edmonton', 'Vancouver', 'Paris', 'Bangkok', 'Bend', 'Boise', 'Memphis', 'Zurich', 'Accra', 'Cairo'}
person2_cities = {'Accra', 'Orlando', 'Tokyo', 'Paris', 'Anaheim', 'Buenos Aires', 'London', 'Lima', 'Seoul', 'Bend'}
# Use set methods to create sets all_cities, same_cities, and different_cities.
print(sorted(all_cities))
print(sorted(same_cities))
print(sorted(different_cities))
```
The program uses set methods to compute:
- `all_cities` as the union of `person1_cities` and `person2_cities`.
- `same_cities` as the intersection of the two sets.
- `different_cities` as the symmetric difference between the sets.
This program helps to easily identify shared and unique travel experiences.
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