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Produktbild: Python 3

Python 3 The Comprehensive Guide

Aus der Reihe Rheinwerk Computing

61,70 €

inkl. gesetzl. MwSt., Versandkostenfrei

Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

06.10.2022

Verlag

Rheinwerk Publishing

Seitenzahl

1036

Maße (L/B/H)

25,7/18,2/5,2 cm

Gewicht

1774 g

Auflage

1

Sprache

Englisch

ISBN

978-1-4932-2302-2

Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

06.10.2022

Verlag

Rheinwerk Publishing

Seitenzahl

1036

Maße (L/B/H)

25,7/18,2/5,2 cm

Gewicht

1774 g

Auflage

1

Sprache

Englisch

ISBN

978-1-4932-2302-2

Herstelleradresse

Rheinwerk Verlag GmbH
Rheinwerkallee 4
53227 Bonn
DE

Email: service@rheinwerk-verlag.de

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  • Produktbild: Python 3
  • 1 ... Introduction ... 33

    1.1 ... Why Did We Write This Book? ... 33

    1.2 ... What Does This Book Provide? ... 34

    1.3 ... Structure of the Book ... 34

    1.4 ... How Should You Read This Book? ... 35

    1.5 ... Sample Programs ... 36

    1.6 ... Preface To the First English Edition (2022) ... 36

    1.7 ... Acknowledgments ... 37

    2 ... The Python Programming Language ... 39

    2.1 ... History, Concepts, and Areas of Application ... 39

    2.2 ... Installing Python ... 42

    2.3 ... Installing Third-Party Modules ... 45

    2.4 ... Using Python ... 45

    PART I ... Getting Started with Python ... 47

    3 ... Getting Started with the Interactive Mode ... 49

    3.1 ... Integers ... 49

    3.2 ... Floats ... 51

    3.3 ... Character Strings ... 51

    3.4 ... Lists ... 52

    3.5 ... Dictionaries ... 53

    3.6 ... Variables ... 54

    3.7 ... Logical Expressions ... 55

    3.8 ... Functions and Methods ... 57

    3.9 ... Screen Outputs ... 59

    3.10 ... Modules ... 60

    4 ... The Path to the First Program ... 63

    4.1 ... Typing, Compiling, and Testing ... 63

    4.2 ... Basic Structure of a Python Program ... 66

    4.3 ... The First Program ... 70

    4.4 ... Comments ... 72

    4.5 ... In Case of Error ... 72

    5 ... Control Structures ... 75

    5.1 ... Conditionals ... 75

    5.2 ... Loops ... 79

    5.3 ... The pass Statement ... 87

    5.4 ... Assignment Expressions ... 87

    6 ... Files ... 91

    6.1 ... Data Streams ... 91

    6.2 ... Reading Data from a File ... 92

    6.3 ... Writing Data to a File ... 96

    6.4 ... Generating the File Object ... 97

    7 ... The Data Model ... 103

    7.1 ... The Structure of Instances ... 105

    7.2 ... Deleting References ... 109

    7.3 ... Mutable versus Immutable Data Types ... 111

    8 ... Functions, Methods, and Attributes ... 115

    8.1 ... Parameters of Functions and Methods ... 115

    8.2 ... Attributes ... 118

    9 ... Sources of Information on Python ... 119

    9.1 ... The Built-In Help Function ... 119

    9.2 ... The Online Documentation ... 120

    9.3 ... PEPs ... 120

    PART II ... Data Types ... 123

    10 ... Basic Data Types: An Overview ... 125

    10.1 ... Nothingness: NoneType ... 126

    10.2 ... Operators ... 127

    11 ... Numeric Data Types ... 131

    11.1 ... Arithmetic Operators ... 131

    11.2 ... Comparison Operators ... 133

    11.3 ... Conversion between Numeric Data Types ... 134

    11.4 ... Integers: int ... 135

    11.5 ... Floats: float ... 141

    11.6 ... Boolean Values: bool ... 144

    11.7 ... Complex Numbers: complex ... 149

    12 ... Sequential Data Types ... 153

    12.1 ... The Difference between Text and Binary Data ... 153

    12.2 ... Operations on Instances of Sequential Data Types ... 154

    12.3 ... The list Data Type ... 166

    12.4 ... Immutable Lists: tuple ... 179

    12.5 ... Strings: str, bytes, bytearray ... 182

    13 ... Mappings and Sets ... 215

    13.1 ... Dictionary: dict ... 215

    13.2 ... Sets: set and frozenset ... 227

    14 ... Collections ... 239

    14.1 ... Chained Dictionaries ... 239

    14.2 ... Counting Frequencies ... 240

    14.3 ... Dictionaries with Default Values ... 242

    14.4 ... Doubly Linked Lists ... 243

    14.5 ... Named Tuples ... 245

    15 ... Date and Time ... 247

    15.1 ... Elementary Time Functions—time ... 247

    15.2 ... Object-Oriented Date Management: datetime ... 254

    15.3 ... Time Zones: zoneinfo ... 263

    16 ... Enumerations and Flags ... 269

    16.1 ... Enumeration Types: enum ... 269

    16.2 ... Enumeration Types for Bit Patterns: flag ... 271

    16.3 ... Integer Enumeration Types: IntEnum ... 272

    PART III ... Advanced Programming Techniques ... 275

    17 ... Functions ... 277

    17.1 ... Defining a Function ... 278

    17.2 ... Return Values ... 280

    17.3 ... Function Objects ... 282

    17.4 ... Optional Parameters ... 282

    17.5 ... Keyword Arguments ... 283

    17.6 ... Arbitrarily Many Parameters ... 284

    17.7 ... Keyword-Only Parameters ... 286

    17.8 ... Positional-Only Parameters ... 287

    17.9 ... Unpacking When Calling a Function ... 288

    17.10 ... Side Effects ... 290

    17.11 ... Namespaces ... 293

    17.12 ... Anonymous Functions ... 299

    17.13 ... Recursion ... 300

    17.14 ... Built-In Functions ... 300

    18 ... Modules and Packages ... 325

    18.1 ... Importing Global Modules ... 326

    18.2 ... Local Modules ... 328

    18.3 ... Packages ... 331

    18.4 ... The importlib Package ... 335

    18.5 ... Planned Language Elements ... 338

    19 ... Object-Oriented Programming ... 341

    19.1 ... Example: A Non-Object-Oriented Account ... 341

    19.2 ... Classes ... 346

    19.3 ... Inheritance ... 351

    19.4 ... Multiple Inheritance ... 363

    19.5 ... Property Attributes ... 365

    19.6 ... Static Methods ... 367

    19.7 ... Class Methods ... 369

    19.8 ... Class Attributes ... 370

    19.9 ... Built-in Functions for Object-Oriented Programming ... 370

    19.10 ... Inheriting Built-In Data Types ... 373

    19.11 ... Magic Methods and Magic Attributes ... 375

    19.12 ... Data Classes ... 393

    20 ... Exception Handling ... 399

    20.1 ... Exceptions ... 399

    20.2 ... Assertions ... 411

    20.3 ... Warnings ... 412

    21 ... Generators and Iterators ... 415

    21.1 ... Generators ... 415

    21.2 ... Iterators ... 422

    21.3 ... Special Generators: itertools ... 432

    22 ... Context Manager ... 441

    22.1 ... The with Statement ... 441

    22.2 ... Helper Functions for with Contexts: contextlib ... 444

    23 ... Decorators ... 449

    23.1 ... Function Decorators ... 449

    23.2 ... Class Decorators ... 454

    23.3 ... The functools Module ... 455

    24 ... Annotations for Static Type Checking ... 463

    24.1 ... Annotations ... 464

    24.2 ... Type Hints: The typing Module ... 471

    24.3 ... Static Type Checking in Python: mypy ... 476

    25 ... Structural Pattern Matching ... 479

    25.1 ... The match Statement ... 479

    25.2 ... Pattern Types in the case Statement ... 480

    PART IV ... The Standard Library ... 495

    26 ... Mathematics ... 497

    26.1 ... Mathematical Functions: math, cmath ... 497

    26.2 ... Random Number Generator: random ... 503

    26.3 ... Statistical Calculations: statistics ... 507

    26.4 ... Intuitive Decimal Numbers: decimal ... 509

    26.5 ... Hash Functions: hashlib ... 514

    27 ... Screen Outputs and Logging ... 521

    27.1 ... Formatted Output of Complex Objects: pprint ... 521

    27.2 ... Log Files: logging ... 523

    28 ... Regular Expressions ... 529

    28.1 ... Syntax of Regular Expressions ... 529

    28.2 ... Using the re Module ... 539

    28.3 ... A Simple Sample Program: Searching ... 546

    28.4 ... A More Complex Sample Program: Matching ... 547

    28.5 ... Comments in Regular Expressions ... 550

    29 ... Interface to Operating System and Runtime Environment ... 553

    29.1 ... Operating System Functionality: os ... 553

    29.2 ... Accessing the Runtime Environment: sys ... 555

    29.3 ... Command Line Parameters: argparse ... 561

    30 ... File System ... 569

    30.1 ... Accessing the File System: os ... 569

    30.2 ... File Paths: os.path ... 575

    30.3 ... Accessing the File System: shutil ... 579

    30.4 ... Temporary Files: tempfile ... 585

    31 ... Parallel Programming ... 587

    31.1 ... Processes, Multitasking, and Threads ... 587

    31.2 ... Python's Interfaces for Parallelization ... 591

    31.3 ... The Abstract Interface: concurrent.futures ... 592

    31.4 ... The Flexible Interface: threading and multiprocessing ... 602

    31.5 ... Cooperative Multitasking ... 613

    31.6 ... Conclusion: Which Interface Is the Right One? ... 629

    32 ... Data Storage ... 631

    32.1 ... XML ... 631

    32.2 ... Databases ... 643

    32.3 ... Compressed Files and Archives ... 661

    32.4 ... Serializing Instances: pickle ... 662

    32.5 ... The JSON Data Exchange Format: json ... 665

    32.6 ... The CSV Table Format: csv ... 667

    33 ... Network Communication ... 673

    33.1 ... Socket API ... 674

    33.2 ... XML-RPC ... 690

    34 ... Accessing Resources on the Internet ... 701

    34.1 ... Protocols ... 701

    34.2 ... Solutions ... 702

    34.3 ... The Easy Way: requests ... 703

    34.4 ... URLs: urllib ... 705

    34.5 ... FTP: ftplib ... 713

    35 ... Email ... 721

    35.1 ... SMTP: smtplib ... 721

    35.2 ... POP3: poplib ... 724

    35.3 ... IMAP4: imaplib ... 728

    35.4 ... Creating Complex Emails: email ... 734

    36 ... Debugging and Quality Assurance ... 739

    36.1 ... The Debugger ... 739

    36.2 ... Automated Testing ... 741

    36.3 ... Analyzing the Runtime Performance ... 749

    37 ... Documentation ... 759

    37.1 ... Docstrings ... 759

    37.2 ... Automatically Generated Documentation: pydoc ... 761

    PART V ... Advanced Topics ... 763

    38 ... Distributing Python Projects ... 765

    38.1 ... A History of Distributions in Python ... 765

    38.2 ... Creating Distributions: setuptools ... 767

    38.3 ... Creating EXE files: cx_Freeze ... 775

    38.4 ... Package Manager ... 776

    38.5 ... Localizing Programs: gettext ... 781

    39 ... Virtual Environments ... 785

    39.1 ... Using Virtual Environments: venv ... 786

    39.2 ... Virtual Environments in Anaconda ... 787

    40 ... Alternative Interpreters and Compilers ... 789

    40.1 ... Just-in-Time Compilation: PyPy ... 789

    40.2 ... Numba ... 790

    40.3 ... Connecting to C and C++: Cython ... 793

    40.4 ... The Interactive Python Shell: IPython ... 799

    41 ... Graphical User Interfaces ... 805

    41.1 ... Toolkits ... 805

    41.2 ... Introduction to tkinter ... 807

    41.3 ... Introduction to PySide6 ... 850

    41.4 ... Signals and Slots ... 859

    41.5 ... Important Widgets ... 861

    41.6 ... Drawing Functionality ... 868

    41.7 ... Model-View Architecture ... 879

    42 ... Python as a Server-Side Programming Language on the Web: An Introduction to Django ... 893

    42.1 ... Concepts and Features of Django ... 894

    42.2 ... Installing Django ... 895

    42.3 ... Creating a New Django Project ... 896

    42.4 ... Creating an Application ... 900

    43 ... Scientific Computing and Data Science ... 935

    43.1 ... Installation ... 936

    43.2 ... The Model Program ... 936

    43.3 ... Overview of the numpy and scipy Modules ... 944

    43.4 ... An Introduction to Data Analysis with pandas ... 953

    44 ... Inside Knowledge ... 969

    44.1 ... Opening URLs in the Default Browser: webbrowser ... 969

    44.2 ... Interpreting Binary Data: struct ... 969

    44.3 ... Hidden Password Entry ... 971

    44.4 ... Command Line Interpreter ... 972

    44.5 ... File Interface for Strings: io.StringIO ... 975

    44.6 ... Generators as Consumers ... 976

    44.7 ... Copying Instances: copy ... 981

    44.8 ... Image Processing: Pillow ... 984

    45 ... From Python 2 to Python 3 ... 993

    45.1 ... The Main Differences ... 996

    45.2 ... Automatic Conversion ... 1001

    ... Appendices ... 1005

    A ... Appendix ... 1005

    B ... The Authors ... 1017

    ... Index ... 1019