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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
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# Lab 9 – Dictionaries

## 1. Course Information

Write a program that creates a dictionary containing course numbers and the room numbers where the courses meet. The dictionary should have the following key-value pairs:

**Course Number (key) | Room Number (value)**
- CS101 | 3004
- CS102 | 4501
- CS103 | 6755
- NT110 | 1244
- CM241 | 1411

The program should also create a dictionary containing course numbers and the names of the instructors that teach each course. The dictionary should have the following key-value pairs:

**Course Number (key) | Instructor (value)**
- CS101 | Haynes
- CS102 | Alvarado
- CS103 | Rich
- NT110 | Burke
- CM241 | Lee

The program should also create a dictionary containing course numbers and the meeting times of each course. The dictionary should have the following key-value pairs:

**Course Number (key) | Meeting Time (value)**
- CS101 | 8:00 a.m.
- CS102 | 9:00 a.m.
- CS103 | 10:00 a.m.
- NT110 | 11:00 a.m.
- CM241 | 1:00 p.m.

The program should let the user enter a course number, then it should display the course’s room number, instructor, and meeting time.

If the course is not in the dictionary, a message should be displayed. The program should contain a loop which continues to ask for a course number until the user chooses to quit.

### Sample Dialog:

```
Enter a course number or press enter to stop: absdfs
absdfs is an invalid course number.
Enter a course number or press enter to stop: CS101
The details for course CS101 are:
  Room: 3004
  Instructor: Haynes
  Time: 8:00 am
Enter a course number or press enter to stop:
>>>
```

Your programs should conform to the Programming Style Requirements as listed in Blackboard under Lab Assignments. You should have 1 .py file to turn in.
Transcribed Image Text:# Lab 9 – Dictionaries ## 1. Course Information Write a program that creates a dictionary containing course numbers and the room numbers where the courses meet. The dictionary should have the following key-value pairs: **Course Number (key) | Room Number (value)** - CS101 | 3004 - CS102 | 4501 - CS103 | 6755 - NT110 | 1244 - CM241 | 1411 The program should also create a dictionary containing course numbers and the names of the instructors that teach each course. The dictionary should have the following key-value pairs: **Course Number (key) | Instructor (value)** - CS101 | Haynes - CS102 | Alvarado - CS103 | Rich - NT110 | Burke - CM241 | Lee The program should also create a dictionary containing course numbers and the meeting times of each course. The dictionary should have the following key-value pairs: **Course Number (key) | Meeting Time (value)** - CS101 | 8:00 a.m. - CS102 | 9:00 a.m. - CS103 | 10:00 a.m. - NT110 | 11:00 a.m. - CM241 | 1:00 p.m. The program should let the user enter a course number, then it should display the course’s room number, instructor, and meeting time. If the course is not in the dictionary, a message should be displayed. The program should contain a loop which continues to ask for a course number until the user chooses to quit. ### Sample Dialog: ``` Enter a course number or press enter to stop: absdfs absdfs is an invalid course number. Enter a course number or press enter to stop: CS101 The details for course CS101 are: Room: 3004 Instructor: Haynes Time: 8:00 am Enter a course number or press enter to stop: >>> ``` Your programs should conform to the Programming Style Requirements as listed in Blackboard under Lab Assignments. You should have 1 .py file to turn in.
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