1000 Python Examples PDF E-Book

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Download Free 1000 Python Examples PDF E-Book that Book reflects the beginner to advance level coding and examples to enhance the coding practice.

First steps

  • What is Python?
  • What is needed to write a program?
  • The source (code) of Python
  • Python 2 vs. Python 3
  • Installation
  • Installation on Linux
  • Installation on Apple Mac OSX
  • Installation on MS Windows
  • Editors, IDEs
  • Documentation
  • Program types
  • Python on the command line
  • First script – hello world
  • Examples
  • Comments
  • Variables
  • Exercise: Hello world
  • What is programming?
  • What are the programming languages
  • A written human language
  • A programming language
  • Words and punctuation matter!
  • Literals, Value Types in Python
  • Floating point limitation
  • Value Types in Numpy
  • Rectangular (numerical operations)
  • Multiply string
  • Add numbers
  • Add strings
  • Exercise: Calculations
  • Solution: Calculations

1000 Python Examples PDF E-Book Free Download

Second steps

  • Modules
  • A main function
  • The main function – called
  • Indentation
  • Conditional main
  • Input – Output I/O
  • print in Python 2
  • print in Python 3
  • print in Python 2 as if it was Python 3
  • Exception: SyntaxError: Missing parentheses in call
  • Prompting for user input in Python 2
  • Prompting for user input in Python 3
  • Python2 input or raw_input?
  • Prompting both Python 2 and Python 3
  • Add numbers entered by the user (oups)
  • Add numbers entered by the user (fixed)
  • How can I check if a string can be converted to a number?
  • Converting string to int
  • Converting float to int
  • Conditionals: if
  • Conditionals: if – else
  • Conditionals: if – else (other example)
  • Conditionals: else if
  • Conditionals: elif
  • Ternary operator
  • Case or Switch in Python
  • Exercise: Rectangular
  • Exercise: Calculator
  • Exercise: Standard Input
  • Solution: Area of rectangular
  • Solution: Calculator
  • Command line arguments
  • Command line arguments – len
  • Command line arguments – exit
  • Exercise: Rectangular (argv)
  • Exercise: Calculator (argv)
  • Solution: Area of rectangular (argv)
  • Solution: Calculator eval
  • Solution: Calculator (argv)
  • Compilation vs. Interpretation
  • Is Python compiled or interpreted?
  • Flake8 checking

Numbers

  • Numbers
  • Operators for Numbers
  • Integer division and the future
  • Pseudo Random Number
  • Fixed random numbers
  • Rolling dice – randrange
  • Random choice
  • built-in method
  • Exception: TypeError: ‘module’ object is not callable
  • Fixing the previous code
  • Exception: AttributeError: module ‘random’ has no attribute
  • Exercise: Number guessing game – level 0
  • Exercise: Fruit salad
  • Solution: Number guessing game – level 0
  • Solution: Fruit salad

Boolean

  • if statement again
  • True and False
  • Boolean
  • True and False values in Python
  • Comparision operators
  • Do NOT Compare different types
  • Boolean operators
  • Boolean truth tables
  • Short circuit
  • Short circuit fixed
  • Incorrect use of conditions
  • Exercise: compare numbers
  • Exercise: compare strings
  • Solution: compare numbers
  • Solution: compare strings

1000 Python Examples PDF E-Book Free

Strings

  • Single quoted and double quoted strings
  • Long lines
  • Triple quoted strings (multiline)
  • String length (len)
  • String repetition and concatenation
  • A character in a string
  • String slice (instead of substr)
  • Change a string
  • How to change a string
  • String copy
  • String functions and methods (len, upper, lower)
  • index in string
  • index in string with range
  • rindex in string with range
  • find in string
  • Find all in the string
  • in string
  • index if in string
  • Encodings: ASCII, Windows-1255, Unicode
  • raw strings
  • ord
  • ord in a file
  • chr – number to character
  • Exercise: one string in another string
  • Exercise: to ASCII CLI
  • Exercise: from ASCII CLI
  • Solution: one string in another string
  • Solution: compare strings
  • Solution: to ASCII CLI
  • Solution: from ASCII CLI

Loops

  • Loops: for-in and while
  • for-in loop on strings
  • for-in loop on list
  • for-in loop on range
  • Iterable, iterator
  • for in loop with early end using break
  • for in loop skipping parts using continue
  • for in loop with break and continue
  • while loop
  • Infinite while loop
  • While with complex expression
  • While with break
  • While True
  • Duplicate input call
  • Eliminate duplicate input call
  • do while loop
  • while with many continue calls
  • Break out from multi-level loops
  • Exit vs return vs break and continue
  • Exercise: Print all the locations in a string
  • Exercise: Number guessing game
  • Exercise: MasterMind
  • Exercise: Count unique characters
  • Solution: Print all the locations in a string
  • Solution 1 for Number Guessing
  • Solution for Number Guessing (debug)
  • Solution for Number Guessing (move)
  • Solution for Number Guessing (multi-game)
  • Solution: MasterMind
  • Solution: Count unique characters
  • MasterMind to debug

1000 Python Examples PDF E-Book 2020

PyCharm

  • PyCharm Intro
  • PyCharm Project
  • PyCharm Files
  • PyCharm – run code
  • PyCharm Python console at the bottom left
  • Refactoring example (with and without pycharm)

Formatted printing

  • format – sprintf
  • Examples using format – indexing
  • Examples using format with names
  • Format columns
  • Examples using format – alignment
  • Format – string
  • Format characters and types
  • Format floating point number
  • f-strings (formatted string literals)
  • printf using old %-syntax
  • Format braces, bracket, and parentheses
  • Examples using format with attributes of objects
  • raw f-strings

Lists

  • Anything can be a lists
  • Any layout
  • Lists
  • List slice with steps
  • Change a List
  • Change with steps
  • List assignment and list copy
  • join
  • join list of numbers
  • split
  • for loop on lists
  • in list
  • Where is the element in the list
  • Index improved
  • [].insert
  • [].append
  • [].remove
  • Remove element by index [].pop
  • Remove first element of list
  • Remove several elements of list by index
  • Use list as a queue
  • Queue using deque from collections
  • Fixed size queue
  • List as a stack
  • stack with deque
  • Exercies: Queue
  • Exercise: Stack
  • Solution: Queue with list
  • Solution: Queue with deque
  • Solution: Reverse Polish calculator (stack) with lists
  • Solution: Reverse Polish calculator (stack) with deque
  • Debugging Queue
  • sort
  • sort numbers
  • sort mixed
  • key sort
  • Sort tuples
  • sort with sorted
  • sort vs. sorted
  • key sort with sorted
  • Sorting characters of a string
  • range
  • Looping over index
  • Enumerate lists
  • List operators
  • List of lists
  • List assignment
  • List documentation

1000 Python Examples PDF E-Book


tuple

  • Exercise: color selector menu
  • Exercise: count digits
  • Exercise: Create list
  • Exercise: Count words
  • Exercise: Check if number is prime
  • Exercise: DNA sequencing
  • Solution: menu
  • Solution: count digits
  • Solution: Create list
  • Solution: Count words
  • Solution: Check if number is prime
  • Solution: DNA sequencing
  • Solution: DNA sequencing with filter
  • Solution: DNA sequencing with filter and lambda
  • [].extend
  • append vs. extend
  • split and extend

Files

  • Open and read the file
  • The filename on the command line
  • Filehandle with and without
  • Filehandle with return
  • Read file remove newlines
  • Read all the lines into a list
  • Read all the characters into a string (slurp)
  • Not existing file
  • Open file exception handling
  • Open many files – exception handling
  • Writing to file
  • Append to file
  • Binary mode
  • Does file exist? Is it a file?
  • Exercise: count numbers
  • Exercise: strip newlines
  • Exercise: color selector
  • Exercise: ROT13
  • Exercise: Combine lists
  • Solution: count numbers
  • Solution: strip newlines
  • Solution: color selector
  • Solution: Combine lists
  • Read text file
  • Open and read file
  • Direct access of a line in a file
  • Example

Dictionary (hash)

  • What is a dictionary
  • When to use dictionaries
  • Dictionary
  • keys
  • Loop over keys
  • Loop using items
  • values
  • Not existing key
  • Get key
  • Does the key exist?
  • Does the value exist?
  • Delete key
  • List of dictionaries
  • Shared dictionary
  • immutable collection: tuple as dictionary key
  • immutable numbers: numbers as dictionary key
  • Sort dictionary by value
  • Sort dictionary keys by value
  • Insertion Order is kept
  • Change order of keys in dictionary – OrderedDict
  • Set order of keys in dictionary – OrderedDict
  • Exercise: count characters
  • Exercise: count words
  • Exercise: count words from a file
  • Exercise: Apache log
  • Exercise: Combine lists again
  • Exercise: counting DNA bases
  • Exercise: Count Amino Acids
  • Exercise: List of dictionaries
  • Exercise: Dictinoary of dictionaries
  • Solution: count characters
  • Solution: count characters with default dict
  • Solution: count words
  • Solution: count words in file
  • Solution: Apache log
  • Solution: Combine lists again
  • Solution: counting DNA bases
  • Solution: Count Amino Acids
  • Loop over dictionary keys
  • Do not change dictionary in loop
  • Default Dict

1000 Python Examples PDF E-Book by Gabar SZobo

Sets

  • sets
  • set operations
  • set intersection
  • set subset
  • set symmetric difference
  • set union
  • set relative complement
  • set examples
  • defining an empty set
  • Adding an element to a set (add)
  • Merging one set into another set (update)

Functions (subroutines)

  • Defining simple function
  • Defining a function
  • Parameters can be named
  • Mixing positional and named parameters
  • Default values
  • Several defaults, using names
  • Arbitrary number of arguments *
  • Fixed parmeters before the others
  • Arbitrary key-value pairs in parameters **
  • Extra key-value pairs in parameters
  • Every parameter option
  • Duplicate declaration of functions (multiple signatures)
  • Recursive factorial
  • Recursive Fibonacci
  • Non-recursive Fibonacci
  • Unbound recursion
  • Variable assignment and change – Immutable
  • Variable assignment and change – Mutable
  • Parameter passing of functions
  • Passing references
  • Function documentation
  • Sum ARGV
  • Copy-paste code
  • Copy-paste code fixed
  • Copy-paste code further improvement
  • Palindrome
  • Exercise: statistics
  • Exercise: recursive
  • Exercise: Tower of Hanoi
  • Exercise: Merge and Bubble sort
  • Solution: statistics
  • Solution: recursive
  • Solution: Tower of Hanoi
  • Solution: Merge and Bubble sort

Modules

  • Before modules
  • Create modules
  • path to load modules from – The module search path
  • sys.path – the module search path
  • Flat project directory structure
  • Absolute path
  • Relative path
  • Python modules are compiled
  • How “import” and “from” work?
  • Runtime loading of modules
  • Conditional loading of modules
  • Duplicate importing of functions
  • Script or library
  • Script or library – import
  • Script or library – from import
  • assert to verify values
  • my calc as a self-testing module
  • doctest
  • Scope of import
  • Export-import
  • Export-import with all
  • import module
  • Execute at import time
  • Import multiple times
  • Exercise: Number guessing
  • Exercises: Scripts and modules
  • Exercise: Module my_sum
  • Exercise: Convert your script to a module
  • Exercise: Add doctests to your own code
  • Solution: Module my_sum

Regular Expressions

  • What are Regular Expressions (aka. Regexes)?
  • What are Regular Expressions good for?
  • Examples
  • Where can I use it ?
  • grep
  • Regexes first match
  • Match numbers
  • Capture
  • Capture more
  • Capture even more
  • findall
  • findall with capture
  • findall with capture more than one
  • Any Character
  • Match dot
  • Character classes
  • Common characer classes
  • Negated character class
  • Optional character
  • Regex 0 or more quantifier
  • Quantifiers
  • Quantifiers limit
  • Quantifiers on character classes
  • Greedy quantifiers
  • Minimal quantifiers
  • Anchors
  • Anchors on both end
  • Match ISBN numbers
  • Matching a section
  • Matching a section – minimal
  • Matching a section negated character class
  • DOTALL S (single line)
  • MULTILINE M
  • Two regex with logical or
  • Alternatives
  • Grouping and Alternatives
  • Internal variables
  • More internal variables
  • Regex DNA
  • Regex IGNORECASE
  • Regex VERBOSE X
  • Substitution
  • findall capture
  • Fixing dates
  • Duplicate numbers
  • Remove spaces
  • Replace string in assembly code
  • Full example of previous
  • Split with regex
  • Exercises: Regexes part 1
  • Exercise: Regexes part 2
  • Exercise: Sort SNMP numbers
  • Exercise: parse hours log file and give a report
  • Exercise: Parse ini file
  • Exercise: Replace Python
  • Exercise: Extract phone numbers
  • Solution: Sort of SNMP numbers
  • Solution: parse hours log file and give the report
  • Solution: Processing INI file manually
  • Solution: Processing config file
  • Solution: Extract phone numbers
  • Regular Expressions Cheatsheet
  • Fix bad JSON
  • Fix very bad JSON
  • Raw string or escape
  • Remove spaces regex
  • Regex Unicode
  • Anchors Other examples

Python standard modules

  • Some Standard modules
  • sys
  • Writing to standard error (stderr)
  • Current directory (getcwd, pwd, chdir)
  • OS dir (mkdir, makedirs, remove, rmdir)
  • python which OS are we running on (os, platform)
  • Get process ID
  • OS path
  • Traverse directory tree – list directories recursively
  • os.path.join
  • Directory listing
  • expanduser – handle tilde ~
  • Listing specific files using glob
  • External command with system
  • subprocess
  • subprocess in the background
  • Accessing the system environment variables from Python
  • Set env and run command
  • shutil
  • time
  • sleep in Python
  • timer
  • Current date and time datetime now
  • Converting string to datetime
  • datetime arithmeticis
  • Rounding datetime object to nearest second
  • Signals and Python
  • Sending Signal
  • Catching Signal
  • Catching Ctrl-C on Unix
  • Catching Ctrl-C on Unix confirm
  • Alarm signal and timeouts
  • deep copy list
  • deep copy dictionary
  • Exercise: Catching Ctrl-C on Unix 2nd time
  • Exercise: Signals
  • Ctrl-z

JSON

  • JSON – JavaScript Object Notation
  • dumps
  • loads
  • dump
  • load
  • Round trip
  • Pretty print JSON
  • Sort keys in JSON
  • Set order of keys in JSON – OrderedDict
  • Exercise: Counter in JSON
  • Exercise: Phone book
  • Exercise: Processes
  • Solution: Counter in JSON
  • Solution: Phone book

Command line arguments with argparse

  • Modules to handle the command line
  • argparse
  • Basic usage of argparse
  • Positional argument
  • Many positional argument
  • Convert to integers
  • Convert to integer
  • Named arguments
  • Boolean Flags
  • Short names
  • Exercise: Command line parameters
  • Exercise: argparse positional and named

Exception handling

  • Hierarchy of calls
  • Handling errors as return values
  • Handling errors as exceptions
  • A simple exception
  • Working on a list
  • Catch ZeroDivisionError exception
  • Module to open files and calculate something
  • File for exception handling example
  • Open files – exception
  • Handle divide by zero exception
  • Handle files – exception
  • Catch all the exceptions and show their type
  • List exception types
  • Exceptions
  • How to raise an exception
  • Stack trace
  • Exercies: Exception int conversion
  • Exercies: Raise Exception
  • Solution: Exception int conversion (specific)
  • Solution: Exception int conversion (all other)
  • Solution: Raise Exception

Classes – OOP – Object Oriented Programming

  • Why Object Oriented Programming?
  • Generic Object Oriented Programming terms
  • OOP in Python
  • OOP in Python (numbers, strings, lists)
  • OOP in Python (argparse)
  • Create a class
  • Import module containing class
  • Import class from module
  • Initialize a class – constructor, attributes
  • Attributes are not special
  • Create Point class
  • Initialize a class – constructor, attributes
  • Methods
  • Stringify class
  • Inheritance
  • Inheritance – another level
  • Modes of method inheritance
  • Modes of method inheritance – implicit
  • Modes of method inheritance – override
  • Modes of method inheritance – extend
  • Modes of method inheritance – delegate – provide
  • Composition – Line
  • Some comments
  • Class in function
  • Serialization of instances with pickle
  • Quick Class definition and usage
  • Exercise: Add move_rad to based on radians
  • Exercise: Improve previous examples
  • Exercise: Polygon
  • Exercise: Number
  • Exercise: Library
  • Exercise: Bookexchange
  • Exercise: Represent turtle graphics
  • Solution – Polygon

PyPi – Python Package Index

  • What is PyPi?
  • Easy Install
  • pip
  • Upgrade pip
  • PYTHONPATH
  • Virtualenv
  • Virtualenv for Python 3

SQLite Database Access

  • SQLite
  • Connecting to SQLite database
  • Create TABLE in SQLite
  • INSERT data into SQLite database
  • SELECT data from SQLite database
  • A counter

MySQL

  • Install MySQL support
  • Create database user (manually)
  • Create database (manually)
  • Create table (manually)
  • Connect to MySQL
  • Connect to MySQL and Handle exception
  • Select data
  • Select more data
  • Select all data fetchall
  • Select some data fetchmany
  • Select some data WHERE clause
  • Select into dictionaries
  • Insert data
  • Update data
  • Delete data
  • Exercise MySQL
  • Exercise: MySQL Connection
  • Solution: MySQL Connection

PostgreSQL

  • PostgreSQL install
  • Python and Postgresql
  • PostgreSQL connect
  • INSERT
  • INSERT (from command line)
  • SELECT
  • DELETE

SQLAlchemy

  • SQLAlchemy hierarchy
  • SQLAlchemy engine
  • SQLAlchemy autocommit
  • SQLAlchemy engine CREATE TABLE
  • SQLAlchemy engine INSERT
  • SQLAlchemy engine SELECT
  • SQLAlchemy engine SELECT all
  • SQLAlchemy engine SELECT fetchall
  • SQLAlchemy engine SELECT aggregate
  • SQLAlchemy engine SELECT IN
  • SQLAlchemy engine SELECT IN with placeholders
  • SQLAlchemy engine connection
  • SQLAlchemy engine transaction
  • SQLAlchemy engine using context managers
  • Exercise: Create table
  • SQLAlchemy Metada
  • SQLAlchemy types
  • SQLAlchemy ORM – Object Relational Mapping
  • SQLAlchemy ORM create
  • SQLAlchemy ORM schema
  • SQLAlchemy ORM reflection
  • SQLAlchemy ORM INSERT after automap
  • SQLAlchemy ORM INSERT
  • SQLAlchemy ORM SELECT
  • SQLAlchemy ORM SELECT cross tables
  • SQLAlchemy ORM SELECT and INSERT
  • SQLAlchemy ORM UPDATE
  • SQLAlchemy ORM logging
  • Solution: Create table
  • Exercise: Inspector
  • SQLAlchemy CREATE and DROP
  • SQLAlchemy Notes
  • SQLAlchemy Meta SQLite CREATE
  • SQLAlchemy Meta Reflection
  • SQLAlchemy Meta INSERT
  • SQLAlchemy Meta SELECT

NoSQL

  • Types of NoSQL databases

MongoDB

  • MongoDB CRUD
  • Install MongoDB support
  • Python MongoDB insert
  • MongoDB CLI
  • Python MongoDB find
  • Python MongoDB find refine
  • Python MongoDB update
  • Python MongoDB remove (delete)

Redis

  • Redis CLI
  • Redis list keys
  • Redis set get
  • Redis incr
  • Redis incrby
  • Redis setex

Web client

  • urllib the web client
  • urllib2 the web client
  • httpbin.org
  • requests get
  • Download image using requests
  • Download image as a stream using requests
  • Download zip file
  • Extract zip file
  • Interactive Requests
  • requests get JSON
  • requests get JSON UserAgent
  • requests get JSON UserAgent
  • requests get header
  • requests change header
  • requests post
  • Tweet
  • API config file
  • bit.ly
  • Exercise: Combine web server and client

Python Web server

  • Hello world web
  • Dump web environment info
  • Web echo
  • Webform
  • Resources

Python Flask

  • Python Flask intro
  • Python Flask installation
  • Flask: Hello World
  • Flask hello world + test
  • Flask generated page – time
  • Flask: Echo GET
  • Flask: Echo POST
  • Flask: templates
  • Flask: templates
  • Flask: templates with parameters
  • Flask: runner
  • Exercise: Flask calculator
  • Static files
  • Flask Logging
  • Flask: Counter
  • Color selector without session
  • Session management
  • Flask custom 404 page
  • Flask Error page
  • Flask URL routing
  • Flask Path params
  • Flask Path params (int)
  • Flask Path params add (int)
  • Flask Path params add (path)
  • Jinja loop, conditional, include
  • Exercise: Flask persistent
  • Exercise: Flask persistent
  • Flask Exercises

WriterGabar Szaba
Publishing Year2020
Pages997
LanguageEnglish
FormatTrue(PDF, MOBI, EPUB)
Size7.0 MB

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