Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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First picture is assignment I need help with, second picture is my code from assignment 17. Using python
![This image contains a Python script using the `turtle` graphics library. The script appears to draw a bar chart representing the number of first-language speakers for five major languages. Here's a breakdown of the code:
```python
import turtle
heights = [856, 420, 360, 260, 205]
def main():
t = turtle.Turtle()
t.hideturtle()
for i in range(5):
drawFilledRectangle(t, -200+i*75, 0, 75, heights[i]/4, "black", "light blue")
displayText(t)
# Draws a filled rectangle with bottom left corner (x, y)
# With height h and width w, colorPen color, and colorFill color
def drawFilledRectangle(t, x, y, w, h, colorP, colorF):
t.pencolor(colorP)
t.fillcolor(colorF)
t.up()
t.goto(x, y)
t.down()
t.begin_fill()
t.goto(x+w, y)
t.goto(x+w, y+h)
t.goto(x, y+h)
t.goto(x, y)
t.end_fill()
def displayText(t):
languages = ["Mandarin", "Spanish", "English", "Hindi", "Bengali"]
t.pencolor("Blue")
t.up()
for i in range(5):
# Display numbers for each rectangle
t.goto(-200+38+(75*i), heights[i]/4)
t.write(str(heights[i]), align='center', font=("Arial", 10, 'normal'))
# Display languages for each rectangle
t.goto(-200+38+(75*i), 5)
t.write(languages[i], align='center', font=("Arial", 10, 'normal'))
# Display title below chart
t.goto(-200, -25)
t.write("Principal Languages of the World", align='left', font=("Arial", 10, 'normal'))
t.goto(-200, -40)
t.write("(in millions of 'first language' speakers)", align='left', font=("Arial", 10, 'normal'))
main()
```
### Explanation:
- **Imports and Variables**: The script imports the `turtle` module and sets the `heights` list, representing the number of speakers in millions](https://content.bartleby.com/qna-images/question/63588563-b3b2-4480-9fdb-3701254cc374/95ea5064-49eb-4515-b7fc-60af3212a873/wu168g_processed.jpeg)
Transcribed Image Text:This image contains a Python script using the `turtle` graphics library. The script appears to draw a bar chart representing the number of first-language speakers for five major languages. Here's a breakdown of the code:
```python
import turtle
heights = [856, 420, 360, 260, 205]
def main():
t = turtle.Turtle()
t.hideturtle()
for i in range(5):
drawFilledRectangle(t, -200+i*75, 0, 75, heights[i]/4, "black", "light blue")
displayText(t)
# Draws a filled rectangle with bottom left corner (x, y)
# With height h and width w, colorPen color, and colorFill color
def drawFilledRectangle(t, x, y, w, h, colorP, colorF):
t.pencolor(colorP)
t.fillcolor(colorF)
t.up()
t.goto(x, y)
t.down()
t.begin_fill()
t.goto(x+w, y)
t.goto(x+w, y+h)
t.goto(x, y+h)
t.goto(x, y)
t.end_fill()
def displayText(t):
languages = ["Mandarin", "Spanish", "English", "Hindi", "Bengali"]
t.pencolor("Blue")
t.up()
for i in range(5):
# Display numbers for each rectangle
t.goto(-200+38+(75*i), heights[i]/4)
t.write(str(heights[i]), align='center', font=("Arial", 10, 'normal'))
# Display languages for each rectangle
t.goto(-200+38+(75*i), 5)
t.write(languages[i], align='center', font=("Arial", 10, 'normal'))
# Display title below chart
t.goto(-200, -25)
t.write("Principal Languages of the World", align='left', font=("Arial", 10, 'normal'))
t.goto(-200, -40)
t.write("(in millions of 'first language' speakers)", align='left', font=("Arial", 10, 'normal'))
main()
```
### Explanation:
- **Imports and Variables**: The script imports the `turtle` module and sets the `heights` list, representing the number of speakers in millions
Transcribed Image Text:**Assignment Description for Educational Website**
---
**Title: Language and PC Vendor Data Visualization**
---
**Introduction:**
In this assignment, you will refine your skills in data visualization using Python. Building on the concepts learned in Assignment #17, you will create a program to generate specific graphs accurately.
**Graph 1: Principal Languages of the World**
- **Description:** This graph displays the number of first-language speakers (in millions) for five of the world's principal languages.
- **Languages and Values:**
- **Mandarin:** 856 million
- **Spanish:** 420 million
- **English:** 360 million
- **Hindi:** 260 million
- **Bengali:** 205 million
**Graph 2: Worldwide PC Vendor Unit Shipment Estimates for Q4 2018**
- **Description:** This bar graph illustrates the estimated number of units shipped (in thousands) by various PC vendors during the fourth quarter of 2018.
- **Vendors and Values:**
- **Lenovo:** 16,628 thousand units
- **HP Inc.:** 15,380 thousand units
- **Dell:** 10,915 thousand units
- **Apple:** 4,920 thousand units
- **ASUS:** 4,211 thousand units
- **Acer Group:** 3,861 thousand units
- **Others:** 12,710 thousand units
**Instructions:**
- Create a new Python program based on the guidelines of Assignment #17.
- Modify your code to generate a graph that matches the "Worldwide PC Vendor Unit Shipment Estimates" chart exactly.
- Ensure your program includes comments at the top with your name and other descriptive information.
- Double-check that the visual alignment, colors, and text details are precise.
---
**End of Assignment**
**Note:** Pay careful attention to graph styling and data accuracy for the best results.
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