Treading on Python: Volume 1 Beginning Python
Treading on Python: Volume 1 Beginning Python
About the Book
Learn Python Quickly
Python is an incredible language. It is powerful and applicable in many areas. It is used for automation of simple or complex tasks, numerical processing, web development, interactive games and more. Whether you are a programmer coming to Python from another language, managing Python programmers or wanting to learn to program, it makes sense to cut to the chase and learn Python the right way. You could scour blogs, websites and much longer tomes if you have time. Treading on Python lets you learn the hints and tips to be Pythonic quickly.
Packed with Useful Hints and Tips
You’ll learn the best practices without wasting time searching or trying to force Python to be like other languages. I’ve collected all the gems I’ve gleaned over years of writing and teaching Python for you.
What you will learn
- Distilled best practices and tips
- How interpretted languages work
- Using basic types such as Strings, Integers, and Floats
- Best practices for using the interpreter during development
- The difference between mutable and immutable data
- Sets, Lists, and Dictionaries, and when to use each
- Gathering keyboard input
- How to define a class
- Looping constructs
- Handling Exceptions in code
- Slicing sequences
- Creating modular code
- Using libraries
- Laying out code
- Community prescribed conventions
About the Author
Table of Contents
- Introduction
- Why Python?
-
Which Version of Python?
- Python installation
- Which editor?
-
The Interpreter
- Interactive interpreter
- A REPL example
-
Running Programs
- Unixy embellishments
-
Writing and Reading Data
- Simple output
- Getting user input
-
Variables
- Mutation and state
- Python variables are like tags
- Cattle tags
-
Basic Types
- Strings
- Integers and floats
- Booleans
- Rebinding variables
- Naming variables
- Additional naming considerations
-
More about objects
- Identity
- Type
- Mutability
-
Numbers
- Addition
- Subtraction
- Multiplication
- Division
- Modulo
- Power
- Order of operations
- Strings
-
Formatting Strings
- Format string syntax
-
formatexamples
-
dir,help, andpdb- Dunder methods
-
help -
pdb
-
Strings and methods
- Common string methods
-
endswith -
find -
format -
join -
startswith -
strip
-
Comments, Booleans, and
None- Comments
- Booleans
-
None
-
Conditionals and whitespace
- Combining conditionals
-
ifstatements -
elsestatements - More choices
- Whitespace
-
Sequences: Lists, tuples, and sets
- Lists
- Sequence indices
- List insertion
- List deletion
- Sorting lists
- Useful list hints
- Tuples
- Sets
-
Iteration
- Looping with an index
- Breaking out of a loop
- Skipping over items in a loop
- Removing items from lists during iteration
-
elseclauses
-
Dictionaries
- Dictionary assignment
- Retrieving values from a dictionary
-
The
inoperator - Dictionary shortcuts
-
setdefault - Deleting keys
- Dictionary iteration
-
Functions
- Invoking functions
- Multiple parameters
- Default parameters
- Naming conventions for functions
-
Indexing and Slicing
- Indexing
- Slicing sub lists
- Striding slices
-
File Input and Output
- Opening files
- Reading files
- Iteration with files
- Writing files
- Closing files
- Designing around files
-
Classes
- Defining a class
- Creating an instance of a class
- Calling a method on a class
- Examining an instance
-
Subclassing a Class
- Superclasses
- Calling parent class methods
-
Exceptions
- Look before you leap
- Easier to ask for forgiveness
- Multiple exceptional cases
-
finallyclause -
elseclause - Raising exceptions
- Defining your own exceptions
-
Importing libraries
- Multiple ways to import
- Conflicting import names
- Star imports
- Nested libraries
- Import organization
-
Libraries: Packages and Modules
- Modules
- Packages
- Importing packages
-
PYTHONPATH -
sys.path
-
A complete example
-
cat.py - Common layout
- Shebang
- Docstring
- Imports
- Metadata and globals
- Logging
- Other globals
- Implementation
- Testing
-
if __name__ == '__main__': -
__name__
-
- Onto Bigger and Better
-
About the Author
- About the Technical Editor
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