HW02 運算子表達式 115103205

 1.NoteBook LM

 2. Youtube

3.學習卡與測驗

學習卡

測驗

4.程式碼

1. Python 程式碼

檔案名稱：sphere_volume.py

# Program: Calculate the Volume of a Sphere# Formula: Volume = (4/3) * 3.14 * radius^3radius = float(input("Enter the radius of Sphere: "))volume = (4 / 3) * 3.14 * radius ** 3print("Radius of Sphere:", radius)print("Volume of Sphere is: %.2f" % volume)

2. 執行結果（Output）

Enter the radius of Sphere: 5
Radius of Sphere: 5.0
Volume of Sphere is: 523.33

3. 程式說明（Program Explanation）

程式碼	說明
input()	讓使用者輸入球體半徑
float()	將輸入資料轉換成浮點數
radius ** 3	計算半徑的三次方
(4 / 3) * 3.14 * radius ** 3	計算球體體積
print()	輸出計算結果
%.2f	將體積顯示到小數點後兩位

計算公式：

\(V = \frac{4}{3}\pi r^3\)

\(V=\frac{4}{3}\pi(\text{5.9})^3\approx \text{860.29}\)

\(r\)

r = 5.9

提供回饋

4. GitHub README.md

以下內容可以直接複製到 GitHub 的 README.md 檔案。

Sphere Volume Calculator

Introduction

This project is a simple Python program that calculates the volume of a sphere based on the radius entered by the user.

Formula

The formula for calculating the volume of a sphere is:

[
V = \frac{4}{3} \times 3.14 \times r^3
]

Where:

• V represents the volume of the sphere.

• r represents the radius of the sphere.

• 3.14 is the approximate value of pi.

Requirements

• Python 3.x

Source Code

radius = float(input("Enter the radius of Sphere: "))

volume = (4 / 3) * 3.14 * radius ** 3

print("Radius of Sphere:", radius)
print("Volume of Sphere is: %.2f" % volume)

Example Output

Enter the radius of Sphere: 5
Radius of Sphere: 5.0
Volume of Sphere is: 523.33

How to Run

1. Install Python 3.

2. Download or clone this repository.

3. Open a terminal in the project folder.

4. Run the following command:

python sphere_volume.py

5. Enter the radius when prompted.

6. The program will display the radius and the calculated volume.

Learning Objectives

• Learn how to receive user input using input().

• Understand type conversion using float().

• Practice arithmetic operations in Python.

• Learn how to format output to two decimal places.

License

This project is available for educational and learning purposes.

5. GitHub 專案檔案配置

建議建立以下結構：

sphere-volume-calculator/
├── sphere_volume.py
└── README.md

sphere_volume.py 放程式碼，README.md 放專案介紹、公式、執行結果與操作說明。

這樣就完成一個適合初學者學習、也可以上傳到 GitHub 作為 Python 練習作品的專案。