Python dla testera

Piotr Wróblewski

Wkrocz w świat testów z Pythonem! Wkrocz do strefy "wolnej od zbędnej teorii" Opanuj podstawy najpopularniejszego języka programowania Poznaj praktyczne procedury i skrypty przydatne w codziennej pracy Zdobądź ciekawą i dobrze płatną pracę w branży IT/ICT Też masz wrażenie, że Python jest ostatnimi czasy dosłownie wszędzie? Nic dziwnego - to najbardziej uniwersalny i przystępny język programowania, jaki kiedykolwiek powstał! Jeśli chcesz poznać go od podstaw, sięgnij po odpowiedni podręcznik - taki jak ta książka! To wydanie przeznaczone dla użytkowników Linuxa (także macOS) i Windowsa; ewentualne cechy specyficzne dla konkretnych systemów są na bieżąco wyjaśniane w tekście. Zawiera zagadnienia ukierunkowane na praktyczne potrzeby testerów oprogramowania, którzy pragną wkroczyć w magiczny świat automatyzacji zadań. Została napisana przez autora wielu książek z dziedziny programowania, obecnie kierownika zespołu testerów w dziale rozwoju oprogramowania dużej firmy telekomunikacyjnej, realizującego zaawansowane testy manualne i automatyczne. Opis języka opiera się na najnowszej specyfikacji języka (wersja 3.9x lub wyższe). Środowisko Pythona i polecany pakiety IDE Z terminalem za pan brat Systemy liczbowe i kodowanie dla nieinformatyków Błyskawiczny kurs języka Typy i struktury danych bez tajemnic Interakcja z użytkownikiem Zapis i odczytywanie danych z plików Programowanie obiektowe bez tajemnic Własne biblioteki (moduły) Analiza danych z NumPy i Pandas Wizualizacji wyników pracy z Matplotlib Python i Excel Tajniki plików CSV Proste aplikacje okienkowe z EasyGUI Programuj, uruchamiaj, automatyzuj - przekonaj się, jak dużo oferuje Python!

Python dla zupełnie początkujących. Owoce programowania. Wydanie IV

Tony Gaddis

Python jest wszechstronnym językiem programowania o imponującej elastyczności i wydajności. Można dzięki niemu rozwiązywać przeróżne problemy programistyczne z różnych dziedzin wiedzy. Nawet jeśli nie masz zamiaru stać się pełnoetatowym programistą, prędko się zorientujesz, jak świetnym i elastycznym narzędziem jest Python. Można za jego pomocą budować oprogramowanie, ale również wspierać pracę statystyków, ekonomistów, maklerów giełdowych, biologów, fizyków czy analityków finansowych. Wystarczy tylko znaleźć sposób analizy problemu i nauczyć się implementować go w programie. Z tej książki skorzystasz, nawet gdy nie masz żadnego doświadczenia w projektowaniu i tworzeniu oprogramowania. Dzięki prostym przykładom i zrozumiałemu pseudokodowi, schematom blokowym oraz innym narzędziom zdobędziesz wiedzę o projektowaniu oprogramowania i jego implementowania w języku Python. W każdym rozdziale znalazło się wiele przykładowych projektów oraz zwięzłych i praktycznych programów. Książkę rozpoczęto od przedstawienia podstawowych informacji o przechowywaniu danych, danych wejściowych i wyjściowych, struktur kontrolnych, funkcji, sekwencji, list, operacji wejścia-wyjścia oraz obiektów tworzonych za pomocą klas zdefiniowanych w bibliotece standardowej. Następnie omówiono zagadnienia tworzenia klas, dziedziczenia i polimorfizmu, a także definiowania funkcji rekurencyjnych. W tej książce: Wprowadzenie do Pythona i środowiska IDLE Struktury warunkowe, struktury cykliczne i funkcje Podstawy programowania zorientowanego projektowo Rekurencja i algorytmy rekurencyjne Projektowanie GUI aplikacji Python. Lepszy niż myślisz. Przydatniejszy niż sądzisz.

Python. Dobre praktyki profesjonalistów

Dane Hillard

Python wydaje się językiem idealnym: ma intuicyjną składnię, jest przyjemny w używaniu, umożliwia tworzenie wydajnego, elastycznego kodu. Przy tym jest wyjątkowo wszechstronny, a stosowanie go w przeróżnych celach ułatwiają liczne biblioteki tworzone przez pasjonatów. To jednak nie zmienia faktu, że aby stać się profesjonalnym programistą Pythona, trzeba nauczyć się tworzyć kod godny profesjonalisty: działający bez błędów, czysty, czytelny i łatwy w utrzymaniu. W tym celu trzeba korzystać z branżowych standardów, które określają styl kodowania, projektowania aplikacji i prowadzenie całego procesu programowania. Należy wiedzieć, kiedy i w jaki sposób modularyzować kod, jak poprawić jakość przez zmniejszenie złożoności i stosować kilka innych, koniecznych praktyk. Ta książka okaże się szczególnie cenna dla każdego, kto zamierza profesjonalnie tworzyć kod w Pythonie. Stanowi jasny i zrozumiały zbiór zasad wytwarzania oprogramowania o najwyższej jakości, praktyk stosowanych przez zawodowych wyjadaczy projektowania i kodowania. Poza teoretycznym omówieniem poszczególnych zagadnień znalazło się tu mnóstwo przykładów i przydatnych ćwiczeń, utrwalających prezentowany materiał. Nie zabrakło krótkiego wprowadzenia do Pythona, przedstawiono też sporo informacji o strukturach danych i różnych podejściach w kontekście osiągania dobrej wydajności kodu. Pokazano, w jaki sposób zapobiegać nadmiernemu przyrostowi kodu podczas rozwijania aplikacji i jak redukować niepożądane powiązania w aplikacji. Dodatkową wartością publikacji jest bogactwo informacji o ogólnej architekturze oprogramowania, przydatnych każdemu zawodowemu programiście. W książce między innymi: podstawy projektowania w Pythonie wysokopoziomowe koncepcje rozwoju oprogramowania abstrakcje i hermetyzacja kodu różne metody testowania kodu tworzenie dużych systemów a rozszerzalność i elastyczność aplikacji Pythona praktykuj profesjonalnie!

Python: End-to-end Data Analysis. Leverage the power of Python to clean, scrape, analyze, and visualize your data

Ivan Idris, Luiz Felipe Martins, Martin Czygan, Phuong Vo.T.H, ...

Data analysis is the process of applying logical and analytical reasoning to study each component of data present in the system. Python is a multi-domain, high-level, programming language that offers a range of tools and libraries suitable for all purposes, it has slowly evolved as one of the primary languages for data science. Have you ever imagined becoming an expert at effectively approaching data analysis problems, solving them, and extracting all of the available information from your data? If yes, look no further, this is the course you need!In this course, we will get you started with Python data analysis by introducing the basics of data analysis and supported Python libraries such as matplotlib, NumPy, and pandas. Create visualizations by choosing color maps, different shapes, sizes, and palettes then delve into statistical data analysis using distribution algorithms and correlations. You’ll then find your way around different data and numerical problems, get to grips with Spark and HDFS, and set up migration scripts for web mining. You’ll be able to quickly and accurately perform hands-on sorting, reduction, and subsequent analysis, and fully appreciate how data analysis methods can support business decision-making. Finally, you will delve into advanced techniques such as performing regression, quantifying cause and effect using Bayesian methods, and discovering how to use Python’s tools for supervised machine learning.The course provides you with highly practical content explaining data analysis with Python, from the following Packt books:1. Getting Started with Python Data Analysis.2. Python Data Analysis Cookbook.3. Mastering Python Data Analysis.By the end of this course, you will have all the knowledge you need to analyze your data with varying complexity levels, and turn it into actionable insights.

Python Essentials for AWS Cloud Developers. Run and deploy cloud-based Python applications using AWS

Serkan Sakinmaz

AWS provides a vast variety of services for implementing Python applications, which can pose a challenge for those without an AWS background. This book addresses one of the more predominant problems of choosing the right service and stepping into the implementation of exciting Python apps using AWS.The book begins by showing you how to install Python and create an AWS account, before helping you explore AWS Lambda, EC2, Elastic Beanstalk, and S3 for Python programming. You'll then gain hands-on experience in using these services to build the Python application. As you advance, you'll discover how to debug Python apps using PyCharm, and then start deploying the Python applications on Elastic Beanstalk. You’ll also learn how to monitor Python applications using the CloudWatch service, along with creating and publishing APIs on AWS to access the Python application. The concluding chapters will help you get to grips with storing unstructured and semi-structured data using NoSQL and DynamoDB, as well as advance your knowledge using the Glue serverless data integration service in AWS.By the end of this Python book, you’ll be able to take your application development skills up a notch with AWS services and advance in your career.

Python Essentials. Modernize existing Python code and plan code migrations to Python using this definitive guide

Steven F. Lott

Python Ethical Hacking from Scratch. Think like an ethical hacker, avoid detection, and successfully develop, deploy, detect, and avoid malware

Fahad Ali Sarwar

Penetration testing enables you to evaluate the security or strength of a computer system, network, or web application that an attacker can exploit. With this book, you'll understand why Python is one of the fastest-growing programming languages for penetration testing. You'll find out how to harness the power of Python and pentesting to enhance your system security.Developers working with Python will be able to put their knowledge and experience to work with this practical guide. Complete with step-by-step explanations of essential concepts and practical examples, this book takes a hands-on approach to help you build your own pentesting tools for testing the security level of systems and networks. You'll learn how to develop your own ethical hacking tools using Python and explore hacking techniques to exploit vulnerabilities in networks and systems. Finally, you'll be able to get remote access to target systems and networks using the tools you develop and modify as per your own requirements.By the end of this ethical hacking book, you'll have developed the skills needed for building cybersecurity tools and learned how to secure your systems by thinking like a hacker.

Python Feature Engineering Cookbook. A complete guide to crafting powerful features for your machine learning models - Third Edition

Soledad Galli, Christoph Molnar

Streamline data preprocessing and feature engineering in your machine learning project with this third edition of the Python Feature Engineering Cookbook to make your data preparation more efficient.This guide addresses common challenges, such as imputing missing values and encoding categorical variables using practical solutions and open source Python libraries. You’ll learn advanced techniques for transforming numerical variables, discretizing variables, and dealing with outliers. Each chapter offers step-by-step instructions and real-world examples, helping you understand when and how to apply various transformations for well-prepared data.The book explores feature extraction from complex data types such as dates, times, and text. You’ll see how to create new features through mathematical operations and decision trees and use advanced tools like Featuretools and tsfresh to extract features from relational data and time series.By the end, you’ll be ready to build reproducible feature engineering pipelines that can be easily deployed into production, optimizing data preprocessing workflows and enhancing machine learning model performance.

Python Feature Engineering Cookbook. Over 70 recipes for creating, engineering, and transforming features to build machine learning models

Soledad Galli

Feature engineering is invaluable for developing and enriching your machine learning models. In this cookbook, you will work with the best tools to streamline your feature engineering pipelines and techniques and simplify and improve the quality of your code.Using Python libraries such as pandas, scikit-learn, Featuretools, and Feature-engine, you’ll learn how to work with both continuous and discrete datasets and be able to transform features from unstructured datasets. You will develop the skills necessary to select the best features as well as the most suitable extraction techniques. This book will cover Python recipes that will help you automate feature engineering to simplify complex processes. You’ll also get to grips with different feature engineering strategies, such as the box-cox transform, power transform, and log transform across machine learning, reinforcement learning, and natural language processing (NLP) domains.By the end of this book, you’ll have discovered tips and practical solutions to all of your feature engineering problems.

Python Feature Engineering Cookbook. Over 70 recipes for creating, engineering, and transforming features to build machine learning models - Second Edition

Soledad Galli

Feature engineering, the process of transforming variables and creating features, albeit time-consuming, ensures that your machine learning models perform seamlessly. This second edition of Python Feature Engineering Cookbook will take the struggle out of feature engineering by showing you how to use open source Python libraries to accelerate the process via a plethora of practical, hands-on recipes.This updated edition begins by addressing fundamental data challenges such as missing data and categorical values, before moving on to strategies for dealing with skewed distributions and outliers. The concluding chapters show you how to develop new features from various types of data, including text, time series, and relational databases. With the help of numerous open source Python libraries, you'll learn how to implement each feature engineering method in a performant, reproducible, and elegant manner.By the end of this Python book, you will have the tools and expertise needed to confidently build end-to-end and reproducible feature engineering pipelines that can be deployed into production.

Python for Absolute Beginners. A Complete Guide to Master Python Programming with Hands-on Examples and Exercises

Oliver Theobald

This book provides a thorough introduction to Python, starting with basic operations like arithmetic and variable creation. As you progress, you'll delve into more complex topics such as loops, conditionals, functions, and object-oriented programming. By the end, you'll be able to write Python code and use libraries like Pandas to manipulate data efficiently. Practical challenges and exercises help solidify your learning. It’s designed to be engaging and easy to follow, making the Python learning experience as enjoyable as it is informative. As you build your skills, you will also gain hands-on experience by tackling coding exercises that reinforce each concept. Whether you're new to programming or looking to sharpen your Python skills, this book will guide you through every essential aspect of the language, preparing you for real-world applications.

Python for Algorithmic Trading Cookbook. Recipes for designing, building, and deploying algorithmic trading strategies with Python

Jason Strimpel

Discover how Python has made algorithmic trading accessible to non-professionals with unparalleled expertise and practical insights from Jason Strimpel, founder of PyQuant News and a seasoned professional with global experience in trading and risk management. This book guides you through from the basics of quantitative finance and data acquisition to advanced stages of backtesting and live trading.Detailed recipes will help you leverage the cutting-edge OpenBB SDK to gather freely available data for stocks, options, and futures, and build your own research environment using lightning-fast storage techniques like SQLite, HDF5, and ArcticDB. This book shows you how to use SciPy and statsmodels to identify alpha factors and hedge risk, and construct momentum and mean-reversion factors. You’ll optimize strategy parameters with walk-forward optimization using VectorBT and construct a production-ready backtest using Zipline Reloaded. Implementing all that you’ve learned, you’ll set up and deploy your algorithmic trading strategies in a live trading environment using the Interactive Brokers API, allowing you to stream tick-level data, submit orders, and retrieve portfolio details.By the end of this algorithmic trading book, you'll not only have grasped the essential concepts but also the practical skills needed to implement and execute sophisticated trading strategies using Python.

Python for ArcGIS Pro. Automate cartography and data analysis using ArcPy, ArcGIS API for Python, Notebooks, and pandas

Silas Toms, Bill Parker, Dr. Christopher Tucker, René Rubalcava

Integrating Python into your day-to-day ArcGIS work is highly recommended when dealing with large amounts of geospatial data. Python for ArcGIS Pro aims to help you get your work done faster, with greater repeatability and higher confidence in your results.Starting from programming basics and building in complexity, two experienced ArcGIS professionals-turned-Python programmers teach you how to incorporate scripting at each step: automating the production of maps for print, managing data between ArcGIS Pro and ArcGIS Online, creating custom script tools for sharing, and then running data analysis and visualization on top of the ArcGIS geospatial library, all using Python.You’ll use ArcGIS Pro Notebooks to explore and analyze geospatial data, and write data engineering scripts to manage ongoing data processing and data transfers. This exercise-based book also includes three rich real-world case studies, giving you an opportunity to apply and extend the concepts you studied earlier.Irrespective of your expertise level with Esri software or the Python language, you’ll benefit from this book’s hands-on approach, which takes you through the major uses of Python for ArcGIS Pro to boost your ArcGIS productivity.

Python For Engineering and Scientific Computing. Practical Applications with NumPy, SciPy, Matplotlib, and More

Rheinwerk Publishing, Inc, Veit Steinkamp

This book provides a thorough introduction to Python programming designed for engineers and scientists. It begins with foundational topics like development environments and program structures, then introduces key Python libraries such as NumPy, SymPy, SciPy, Matplotlib, and VPython. Clear explanations and practical exercises help readers write efficient, well-structured code while progressing through increasingly complex projects.The content covers core programming paradigms including functions, branching, and object-oriented design, followed by numerical analysis with NumPy and symbolic math with SymPy. Detailed chapters on data visualization with Matplotlib and 3D animations with VPython enhance comprehension. Additional focus on statistical computations, Boolean algebra, and interactive GUI programming with Tkinter prepares readers for real-world applications. Each chapter ends with project tasks reinforcing hands-on learning.Throughout the book, readers build a strong skill set combining programming expertise and scientific problem-solving. By the end, they will confidently use Python’s libraries to solve diverse engineering and scientific challenges. This practical, project-based approach ensures knowledge is both solid and immediately useful in research and professional work.

Python for Finance. Apply powerful finance models and quantitative analysis with Python - Second Edition

Yuxing Yan

This book uses Python as its computational tool. Since Python is free, any school ororganization can download and use it. This book is organized according to various finance subjects. In other words, the first edition focuses more on Python, while the second edition is truly trying to apply Python to finance.The book starts by explaining topics exclusively related to Python. Then we deal with critical parts of Python, explaining concepts such as time value of money stock and bond evaluations, capital asset pricing model, multi-factor models, time series analysis, portfolio theory,options and futures.This book will help us to learn or review the basics of quantitative finance and apply Python to solve various problems, such as estimating IBM’s market risk,running a Fama-French 3-factor, 5-factor, or Fama-French-Carhart 4 factor model, estimating the VaR of a 5-stock portfolio, estimating the optimal portfolio, and constructing the efficient frontier for a 20-stock portfolio with real-world stock, and with Monte Carlo Simulation. Later, we will also learn how to replicate the famous Black-Scholes-Merton option model and how to price exotic options such as the average price call option.

Python for Finance Cookbook. Over 50 recipes for applying modern Python libraries to financial data analysis

Eryk Lewinson

Python is one of the most popular programming languages used in the financial industry, with a huge set of accompanying libraries. In this book, you'll cover different ways of downloading financial data and preparing it for modeling. You'll calculate popular indicators used in technical analysis, such as Bollinger Bands, MACD, RSI, and backtest automatic trading strategies. Next, you'll cover time series analysis and models, such as exponential smoothing, ARIMA, and GARCH (including multivariate specifications), before exploring the popular CAPM and the Fama-French three-factor model. You'll then discover how to optimize asset allocation and use Monte Carlo simulations for tasks such as calculating the price of American options and estimating the Value at Risk (VaR). In later chapters, you'll work through an entire data science project in the financial domain. You'll also learn how to solve the credit card fraud and default problems using advanced classifiers such as random forest, XGBoost, LightGBM, and stacked models. You'll then be able to tune the hyperparameters of the models and handle class imbalance. Finally, you'll focus on learning how to use deep learning (PyTorch) for approaching financial tasks.By the end of this book, you’ll have learned how to effectively analyze financial data using a recipe-based approach.

Python for Finance Cookbook. Over 80 powerful recipes for effective financial data analysis - Second Edition

Eryk Lewinson

Python is one of the most popular programming languages in the financial industry, with a huge collection of accompanying libraries. In this new edition of the Python for Finance Cookbook, you will explore classical quantitative finance approaches to data modeling, such as GARCH, CAPM, factor models, as well as modern machine learning and deep learning solutions.You will use popular Python libraries that, in a few lines of code, provide the means to quickly process, analyze, and draw conclusions from financial data. In this new edition, more emphasis was put on exploratory data analysis to help you visualize and better understand financial data. While doing so, you will also learn how to use Streamlit to create elegant, interactive web applications to present the results of technical analyses.Using the recipes in this book, you will become proficient in financial data analysis, be it for personal or professional projects. You will also understand which potential issues to expect with such analyses and, more importantly, how to overcome them.

Python for Finance. If your interest is finance and trading, then using Python to build a financial calculator makes absolute sense. As does this book which is a hands-on guide covering everything from option theory to time series

Yuxing Yan

Python for Geeks. Build production-ready applications using advanced Python concepts and industry best practices

Muhammad Asif

Python is a multipurpose language that can be used for multiple use cases. Python for Geeks will teach you how to advance in your career with the help of expert tips and tricks.You'll start by exploring the different ways of using Python optimally, both from the design and implementation point of view. Next, you'll understand the life cycle of a large-scale Python project. As you advance, you'll focus on different ways of creating an elegant design by modularizing a Python project and learn best practices and design patterns for using Python. You'll also discover how to scale out Python beyond a single thread and how to implement multiprocessing and multithreading in Python. In addition to this, you'll understand how you can not only use Python to deploy on a single machine but also use clusters in private as well as in public cloud computing environments. You'll then explore data processing techniques, focus on reusable, scalable data pipelines, and learn how to use these advanced techniques for network automation, serverless functions, and machine learning. Finally, you'll focus on strategizing web development design using the techniques and best practices covered in the book.By the end of this Python book, you'll be able to do some serious Python programming for large-scale complex projects.

Python for Google App Engine. Master the full range of development features provided by Google App Engine to build and run scalable web applications in Python

Massimiliano Pippi

Python For Offensive PenTest. A practical guide to ethical hacking and penetration testing using Python

Hussam Khrais

Python is an easy-to-learn and cross-platform programming language that has unlimited third-party libraries. Plenty of open source hacking tools are written in Python, which can be easily integrated within your script.This book is packed with step-by-step instructions and working examples to make you a skilled penetration tester. It is divided into clear bite-sized chunks, so you can learn at your own pace and focus on the areas of most interest to you. This book will teach you how to code a reverse shell and build an anonymous shell. You will also learn how to hack passwords and perform a privilege escalation on Windows with practical examples. You will set up your own virtual hacking environment in VirtualBox, which will help you run multiple operating systems for your testing environment.By the end of this book, you will have learned how to code your own scripts and mastered ethical hacking from scratch.

Python for Programmers. A Comprehensive Guide for Intermediate to Advanced Python Programmers and Developers

Mercury Learning and Information, Oswald Campesato

This book is designed for developers with little to no experience in Python or Pandas, providing a fast-paced introduction to Python programming and practical solutions to various tasks. The journey begins with a quick tour of basic Python 3, followed by a deep dive into loops and conditional logic. The text covers data structures extensively, and includes tasks involving strings and arrays.As the reader progresses, object-oriented programming concepts are introduced with illustrative code samples, along with an exploration of recursion and fundamental topics in combinatorics. An appendix provides an introduction to Pandas, equipping readers with essential tools for data manipulation and analysis.This book offers a comprehensive yet concise learning path, reinforced by numerous code samples and companion files available for download. It is an invaluable resource for beginners seeking to master Python and Pandas, providing a solid foundation for further exploration in programming and data science.

Python for Secret Agents - Volume II. Gather, analyze, and decode data to reveal hidden facts using Python, the perfect tool for all aspiring secret agents - Second Edition

Steven F. Lott

Python is easy to learn and extensible programming language that allows any manner of secret agent to work with a variety of data. Agents from beginners to seasoned veterans will benefit from Python's simplicity and sophistication. The standard library provides numerous packages that move beyond simple beginner missions. The Python ecosystem of related packages and libraries supports deep information processing.This book will guide you through the process of upgrading your Python-based toolset for intelligence gathering, analysis, and communication. You'll explore the ways Python is used to analyze web logs to discover the trails of activities that can be found in web and database servers. We'll also look at how we can use Python to discover details of the social network by looking at the data available from social networking websites.Finally, you'll see how to extract history from PDF files, which opens up new sources of data, and you’ll learn about the ways you can gather data using an Arduino-based sensor device.

Python for Secret Agents. Analyze, encrypt, and uncover intelligence data using Python, the essential tool for all aspiring secret agents

Steven F. Lott