Python 3: The Comprehensive Guide to Hands-On Python Programming

Pdf Book Name: Python 3: The Comprehensive Guide to Hands-On Python Programming
Author: Johannes Ernesti, Peter Kaiser
Publisher: Rheinwerk Computing, Year: 2022
ISBN-10, 13: 149322302X,9781493223022
Year: 2022
Pages: 1078 Pages
Language: English
File size: 17 MB
File format: PDF,EPUB

Python 3: The Comprehensive Guide to Hands-On Python Programming

Books Details:
Great choice! Python 3 is an excellent language for beginners and is widely used in many fields. Let’s dive into a beginner-friendly overview of Python 3, covering the essentials to help you get started.

### Getting Started with Python 3

#### 1. Setting Up Python
– **Install Python**:
– Download Python from the [official website](https://www.python.org/downloads/).
– Make sure to check the box that says “Add Python to PATH” during installation.

– **Choose an IDE or Code Editor**:
– **Thonny**: Simple and beginner-friendly.
– **VS Code**: Powerful and versatile (with the Python extension).
– **Jupyter Notebook**: Great for interactive coding and data science.

#### 2. Your First Python Program
Open your code editor and write the following:

“`python
print(“Hello, World!”)
“`

Run the program to see your output!

#### 3. Basic Syntax
– **Variables**: Store data in a named container.
“`python
name = “Alice”
age = 30
“`

– **Data Types**:
– **Integers**: Whole numbers (e.g., `5`)
– **Floats**: Decimal numbers (e.g., `3.14`)
– **Strings**: Text (e.g., `”Hello”`)
– **Booleans**: True or False (e.g., `True`)

#### 4. Control Structures
– **Conditional Statements**:
“`python
age = 18
if age >= 18:
print(“Adult”)
else:
print(“Minor”)
“`

– **Loops**:
– **For Loop**:
“`python
for i in range(5):
print(i)
“`

– **While Loop**:
“`python
count = 0
while count < 5: print(count) count += 1 ``` #### 5. Functions - **Defining a Function**: ```python def greet(name): return f"Hello, {name}!" print(greet("Alice")) ``` #### 6. Working with Collections - **Lists**: Ordered collections. ```python fruits = ["apple", "banana", "cherry"] print(fruits[0]) # Output: apple ``` - **Dictionaries**: Key-value pairs. ```python person = {"name": "Alice", "age": 30} print(person["name"]) # Output: Alice ``` #### 7. File Handling - **Reading from a File**: ```python with open('file.txt', 'r') as file: content = file.read() print(content) ``` - **Writing to a File**: ```python with open('file.txt', 'w') as file: file.write("Hello, World!") ``` #### 8. Practice Projects - **Simple Calculator**: Create functions for addition, subtraction, multiplication, and division. - **To-Do List**: Manage tasks using lists and functions. - **Guess the Number**: Build a game where the user guesses a randomly generated number. ### Resources for Further Learning - **Official Python Documentation**: [docs.python.org](https://docs.python.org/3/) - **Online Courses**: Codecademy, Coursera, and freeCodeCamp. - **Books**: "Automate the Boring Stuff with Python" by Al Sweigart. ### Conclusion With Python 3, you have a powerful tool at your fingertips. Start practicing the basics, build simple projects, and gradually explore more advanced topics. If you have specific questions or want to explore a certain area in Python, feel free to ask!