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دسته بندی: برنامه نویسی: زبان های برنامه نویسی ویرایش: نویسندگان: Brian Overland, John Bennett سری: ISBN (شابک) : 2019936408, 0135159946 ناشر: Addison-Wesley Professional سال نشر: 2019 تعداد صفحات: 1386 زبان: English فرمت فایل : PDF (درصورت درخواست کاربر به PDF، EPUB یا AZW3 تبدیل می شود) حجم فایل: 31 مگابایت
در صورت تبدیل فایل کتاب Supercharged Python: Take Your Code to the Next Level به فرمت های PDF، EPUB، AZW3، MOBI و یا DJVU می توانید به پشتیبان اطلاع دهید تا فایل مورد نظر را تبدیل نمایند.
توجه داشته باشید کتاب Supercharged Python: کد خود را به سطح بعدی برسانید نسخه زبان اصلی می باشد و کتاب ترجمه شده به فارسی نمی باشد. وبسایت اینترنشنال لایبرری ارائه دهنده کتاب های زبان اصلی می باشد و هیچ گونه کتاب ترجمه شده یا نوشته شده به فارسی را ارائه نمی دهد.
Cover Title Page Copyright Page Contents Preface What Makes Python Special? Paths to Learning: Where Do I Start? Clarity and Examples Are Everything Learning Aids: Icons What You’ll Learn Have Fun Acknowledgments About the Authors Chapter 1 Review of the Fundamentals ____1.1 Python Quick Start ____1.2 Variables and Naming Names ____1.3 Combined Assignment Operators ____1.4 Summary of Python Arithmetic Operators ____1.5 Elementary Data Types: Integer and Floating Point ____1.6 Basic Input and Output ____1.7 Function Definitions ____1.8 The Python “if” Statement ____1.9 The Python “while” Statement ____1.10 A Couple of Cool Little Apps ____1.11 Summary of Python Boolean Operators ____1.12 Function Arguments and Return Values ____1.13 The Forward Reference Problem ____1.14 Python Strings ____1.15 Python Lists (and a Cool Sorting App) ____1.16 The “for” Statement and Ranges ____1.17 Tuples ____1.18 Dictionaries ____1.19 Sets ____1.20 Global and Local Variables ____Summary ____Review Questions ____Suggested Problems Chapter 2 Advanced String Capabilities ____2.1 Strings Are Immutable ____2.2 Numeric Conversions, Including Binary ____2.3 String Operators (+, =, *, >, etc.) ____2.4 Indexing and Slicing ____2.5 Single-Character Functions (Character Codes) ____2.6 Building Strings Using “join” ____2.7 Important String Functions ____2.8 Binary, Hex, and Octal Conversion Functions ____2.9 Simple Boolean (“is”) Methods ____2.10 Case Conversion Methods ____2.11 Search-and-Replace Methods ____2.12 Breaking Up Input Using “split” ____2.13 Stripping ____2.14 Justification Methods ____Summary ____Review Questions ____Suggested Problems Chapter 3 Advanced List Capabilities ____3.1 Creating and Using Python Lists ____3.2 Copying Lists Versus Copying List Variables ____3.3 Indexing ________3.3.1 Positive Indexes ________3.3.2 Negative Indexes ________3.3.3 Generating Index Numbers Using “enumerate” ____3.4 Getting Data from Slices ____3.5 Assigning into Slices ____3.6 List Operators ____3.7 Shallow Versus Deep Copying ____3.8 List Functions ____3.9 List Methods: Modifying a List ____3.10 List Methods: Getting Information on Contents ____3.11 List Methods: Reorganizing ____3.12 Lists as Stacks: RPN Application ____3.13 The “reduce” Function ____3.14 Lambda Functions ____3.15 List Comprehension ____3.16 Dictionary and Set Comprehension ____3.17 Passing Arguments Through a List ____3.18 Multidimensional Lists ________3.18.1 Unbalanced Matrixes ________3.18.2 Creating Arbitrarily Large Matrixes ____Summary ____Review Questions ____Suggested Problems Chapter 4 Shortcuts, Command Line, and Packages ____4.1 Overview ____4.2 Twenty-Two Programming Shortcuts ________4.2.1 Use Python Line Continuation as Needed ________4.2.2 Use “for” Loops Intelligently ________4.2.3 Understand Combined Operator Assignment (+= etc.) ________4.2.4 Use Multiple Assignment ________4.2.5 Use Tuple Assignment ________4.2.6 Use Advanced Tuple Assignment ________4.2.7 Use List and String “Multiplication” ________4.2.8 Return Multiple Values ________4.2.9 Use Loops and the “else” Keyword ________4.2.10 Take Advantage of Boolean Values and “not” ________4.2.11 Treat Strings as Lists of Characters ________4.2.12 Eliminate Characters by Using “replace” ________4.2.13 Don’t Write Unnecessary Loops ________4.2.14 Use Chained Comparisons (n < x< m) ________4.2.15 Simulate “switch” with a Table of Functions ________4.2.16 Use the “is” Operator Correctly ________4.2.17 Use One-Line “for” Loops ________4.2.18 Squeeze Multiple Statements onto a Line ________4.2.19 Write One-Line if/then/else Statements ________4.2.20 Create Enum Values with “range” ________4.2.21 Reduce the Inefficiency of the “print” Function Within IDLE ________4.2.22 Place Underscores Inside Large Numbers ____4.3 Running Python from the Command Line ________4.3.1 Running on a Windows-Based System ________4.3.2 Running on a Macintosh System ________4.3.3 Using pip or pip3 to Download Packages ____4.4 Writing and Using Doc Strings ____4.5 Importing Packages ____4.6 A Guided Tour of Python Packages ____4.7 Functions as First-Class Objects ____4.8 Variable-Length Argument Lists ________4.8.1 The *args List ________4.8.2 The “**kwargs” List ____4.9 Decorators and Function Profilers ____4.10 Generators ________4.10.1 What’s an Iterator? ________4.10.2 Introducing Generators ____4.11 Accessing Command-Line Arguments ____Summary ____Questions for Review ____Suggested Problems Chapter 5 Formatting Text Precisely ____5.1 Formatting with the Percent Sign Operator (%) ____5.2 Percent Sign (%) Format Specifiers ____5.3 Percent Sign (%) Variable-Length Print Fields ____5.4 The Global “format” Function ____5.5 Introduction to the “format” Method ____5.6 Ordering by Position (Name or Number) ____5.7 “Repr” Versus String Conversion ____5.8 The “spec” Field of the “format” Function and Method ________5.8.1 Print-Field Width ________5.8.2 Text Justification: “fill” and “align” Characters ________5.8.3 The “sign” Character ________5.8.4 The Leading-Zero Character (0) ________5.8.5 Thousands Place Separator ________5.8.6 Controlling Precision ________5.8.7 “Precision” Used with Strings (Truncation) ________5.8.8 “Type” Specifiers ________5.8.9 Displaying in Binary Radix ________5.8.10 Displaying in Octal and Hex Radix ________5.8.11 Displaying Percentages ________5.8.12 Binary Radix Example ____5.9 Variable-Size Fields ____Summary ____Review Questions ____Suggested Problems Chapter 6 Regular Expressions, Part I ____6.1 Introduction to Regular Expressions ____6.2 A Practical Example: Phone Numbers ____6.3 Refining Matches ____6.4 How Regular Expressions Work: Compiling Versus Running ____6.5 Ignoring Case, and Other Function Flags ____6.6 Regular Expressions: Basic Syntax Summary ________6.6.1 Meta Characters ________6.6.2 Character Sets ________6.6.3 Pattern Quantifiers ________6.6.4 Backtracking, Greedy, and Non-Greedy ____6.7 A Practical Regular-Expression Example ____6.8 Using the Match Object ____6.9 Searching a String for Patterns ____6.10 Iterative Searching (“findall”) ____6.11 The “findall” Method and the Grouping Problem ____6.12 Searching for Repeated Patterns ____6.13 Replacing Text ____Summary ____Review Questions ____Suggested Problems Chapter 7 Regular Expressions, Part II ____7.1 Summary of Advanced RegEx Grammar ____7.2 Noncapture Groups ________7.2.1 The Canonical Number Example ________7.2.2 Fixing the Tagging Problem ____7.3 Greedy Versus Non-Greedy Matching ____7.4 The Look-Ahead Feature ____7.5 Checking Multiple Patterns (Look-Ahead) ____7.6 Negative Look-Ahead ____7.7 Named Groups ____7.8 The “re.split” Function ____7.9 The Scanner Class and the RPN Project ____7.10 RPN: Doing Even More with Scanner ____Summary ____Review Questions ____Suggested Problems Chapter 8 Text and Binary Files ____8.1 Two Kinds of Files: Text and Binary ________8.1.1 Text Files ________8.1.2 Binary Files ____8.2 Approaches to Binary Files: A Summary ____8.3 The File/Directory System ____8.4 Handling File-Opening Exceptions ____8.5 Using the “with” Keyword ____8.6 Summary of Read/Write Operations ____8.7 Text File Operations in Depth ____8.8 Using the File Pointer (“seek”) ____8.9 Reading Text into the RPN Project ________8.9.1 The RPN Interpreter to Date ________8.9.2 Reading RPN from a Text File ________8.9.3 Adding an Assignment Operator to RPN ____8.10 Direct Binary Read/Write ____8.11 Converting Data to Fixed-Length Fields (“struct”) ________8.11.1 Writing and Reading One Number at a Time ________8.11.2 Writing and Reading Several Numbers at a Time ________8.11.3 Writing and Reading a Fixed-Length String ________8.11.4 Writing and Reading a Variable-Length String ________8.11.5 Writing and Reading Strings and Numerics Together ________8.11.6 Low-Level Details: Big Endian Versus Little Endian ____8.12 Using the Pickling Package ____8.13 Using the “shelve” Package ____Summary ____Review Questions ____Suggested Problems Chapter 9 Classes and Magic Methods ____9.1 Classes and Objects: Basic Syntax ____9.2 More About Instance Variables ____9.3 The “_ _init_ _” and “_ _new_ _” Methods ____9.4 Classes and the Forward Reference Problem ____9.5 Methods Generally ____9.6 Public and Private Variables and Methods ____9.7 Inheritance ____9.8 Multiple Inheritance ____9.9 Magic Methods, Summarized ____9.10 Magic Methods in Detail ________9.10.1 String Representation in Python Classes ________9.10.2 The Object Representation Methods ________9.10.3 Comparison Methods ________9.10.4 Arithmetic Operator Methods ________9.10.5 Unary Arithmetic Methods ________9.10.6 Reflection (Reverse-Order) Methods ________9.10.7 In-Place Operator Methods ________9.10.8 Conversion Methods ________9.10.9 Collection Class Methods ________9.10.10 Implementing “_ _iter_ _” and “_ _next_ _” ____9.11 Supporting Multiple Argument Types ____9.12 Setting and Getting Attributes Dynamically ____Summary ____Review Questions ____Suggested Problems Chapter 10 Decimal, Money, and Other Classes ____10.1 Overview of Numeric Classes ____10.2 Limitations of Floating-Point Format ____10.3 Introducing the Decimal Class ____10.4 Special Operations on Decimal Objects ____10.5 A Decimal Class Application ____10.6 Designing a Money Class ____10.7 Writing the Basic Money Class (Containment) ____10.8 Displaying Money Objects (“_ _str_ _”, “_ _repr_ _”) ____10.9 Other Monetary Operations ____10.10 Demo: A Money Calculator ____10.11 Setting the Default Currency ____10.12 Money and Inheritance ____10.13 The Fraction Class ____10.14 The Complex Class ____Summary ____Review Questions ____Suggested Problems Chapter 11 The Random and Math Packages ____11.1 Overview of the Random Package ____11.2 A Tour of Random Functions ____11.3 Testing Random Behavior ____11.4 A Random-Integer Game ____11.5 Creating a Deck Object ____11.6 Adding Pictograms to the Deck ____11.7 Charting a Normal Distribution ____11.8 Writing Your Own Random-Number Generator ________11.8.1 Principles of Generating Random Numbers ________11.8.2 A Sample Generator ____11.9 Overview of the Math Package ____11.10 A Tour of Math Package Functions ____11.11 Using Special Values (pi) ____11.12 Trig Functions: Height of a Tree ____11.13 Logarithms: Number Guessing Revisited ________11.13.1 How Logarithms Work ________11.13.2 Applying a Logarithm to a Practical Problem ____Summary ____Review Questions ____Suggested Problems Chapter 12 The “numpy” (Numeric Python) Package ____12.1 Overview of the “array,” “numpy,” and “matplotlib” Packages ________12.1.1 The “array” Package ________12.1.2 The “numpy” Package ________12.1.3 The “numpy.random” Package ________12.1.4 The “matplotlib” Package ____1 2.2 Using the “array” Package ____12.3 Downloading and Importing “numpy” ____12.4 Introduction to “numpy”: Sum 1 to 1 Million ____12.5 Creating “numpy” Arrays ________12.5.1 The “array” Function (Conversion to an Array) ________12.5.2 The “arange” Function ________12.5.3 The “linspace” Function ________12.5.4 The “empty” Function ________12.5.5 The “eye” Function ________12.5.6 The “ones” Function ________12.5.7 The “zeros” Function ________12.5.8 The “full” Function ________12.5.9 The “copy” Function ________12.5.10 The “fromfunction” Function ____12.6 Example: Creating a Multiplication Table ____12.7 Batch Operations on “numpy” Arrays ____12.8 Ordering a Slice of “numpy” ____12.9 Multidimensional Slicing ____12.10 Boolean Arrays: Mask Out That “numpy”! ____12.11 “numpy” and the Sieve of Eratosthenes ____12.12 Getting “numpy” Stats (Standard Deviation) ____1 2.13 Getting Data on “numpy” Rows and Columns ____Summary ____Review Questions ____Suggested Problems Chapter 13 Advanced Uses of “numpy” ____13.1 Advanced Math Operations with “numpy” ____13.2 Downloading “mat plotlib” ____13.3 Plotting Lines with “numpy” and “matplotlib” ____13.4 Plotting More Than One Line ____13.5 Plotting Compound Interest ____13.6 Creating Histograms with “matplotlib” ____13.7 Circles and the Aspect Ratio ____13.8 Creating Pie Charts ____13.9 Doing Linear Algebra with “numpy” ________13.9.1 The Dot Product ________13.9.2 The Outer-Product Function ________13.9.3 Other Linear Algebra Functions ____13.10 Three-Dimensional Plotting ____13.11 “numpy” Financial Applications ____13.12 Adjusting Axes with “xticks” and “yticks” ____13.13 “numpy” Mixed-Data Records ____13.14 Reading and Writing “numpy” Data from Files ____Summary ____Review Questions ____Suggested Problems Chapter 14 Multiple Modules and the RPN Example ____14.1 Overview of Modules in Python ____14.2 Simple Two-Module Example ____14.3 Variations on the “import” Statement ____14.4 Using the “_ _all_ _” Symbol ____14.5 Public and Private Module Variables ____14.6 The Main Module and “_ _main_ _” ____14.7 Gotcha! Problems with Mutual Importing ____14.8 RPN Example: Breaking into Two Modules ____14.9 RPN Example: Adding I/O Directives ____14.10 Further Changes to the RPN Example ________14.10.1 Adding Line-Number Checking ________14.10.2 Adding Jump-If-Not-Zero ________14.10.3 Greater-Than (>) and Get-Random-Number (!) ____14.11 RPN: Putting It All Together ____Summary ____Review Questions ____Suggested Problems Chapter 15 Getting Financial Data off the Internet ____15.1 Plan of This Chapter ____15.2 Introducing the Pandas Package ____15.3 “stock_load”: A Simple Data Reader ____15.4 Producing a Simple Stock Chart ____15.5 Adding a Title and Legend ____15.6 Writing a “makeplot” Function (Refactoring) ____15.7 Graphing Two Stocks Together ____15.8 Variations: Graphing Other Data ____15.9 Limiting the Time Period ____15.10 Split Charts: Subplot the Volume ____15.11 Adding a Moving-Average Line ____15.12 Giving Choices to the User ____Summary ____Review Questions ____Suggested Problems Appendix A: Python Operator Precedence Table Appendix B: Built-In Python Functions ____abs(x) ____all(iterable) ____any(iterable) ____ascii(obj) ____bin(n) ____bool(obj) ____bytes(source, encoding) ____callable(obj) ____chr(n) ____compile(cmd_str, filename, mode_str, flags=0, dont_inherit=False, optimize=–1) ____complex(real=0, imag=0) ____complex(complex_str) ____delattr(obj, name_str) ____dir([obj]) ____divmod(a, b) ____enumerate(iterable, start=0) ____eval(expr_str [, globals [,locals]] ) ____exec(object [, global [,locals]]) ____filter(function, iterable) ____float([x]) ____format(obj, [format_spec]) ____frozenset([iterable]) ____getattr(obj, name_str [,default]) ____globals() ____hasattr(obj, name_str) ____hash(obj) ____help([obj]) ____hex(n) ____id(obj) ____input([prompt_str]) ____int(x, base=10) ____int() ____isinstance(obj, class) ____issubclass(class1, class2) ____iter(obj) ____len(sequence) ____list([iterable]) ____locals() ____map(function, iterable1 [, iterable2…]) ____max(arg1 [, arg2]…) ____max(iterable) ____min(arg1 [, arg2]…) ____min(iterable) ____oct(n) ____open(file_name_str, mode=\'rt\') ____ord(char_str) ____pow(x, y[, z]) ____print(objects, sep=\'\', end=\'\\n\', file=sys.stdout) ____range(n) ____range(start, stop [, step]) ____repr(obj) ____reversed(iterable) ____round(x [,ndigits]) ____set([iterable]) ____setattr(obj, name_str, value) ____sorted(iterable [, key] [, reverse]) ____str(obj=\'\') ____str(obj=b\'\' [, encoding=\'utf-8\']) ____sum(iterable [, start]) ____super(type) ____tuple([iterable]) ____type(obj) ____zip(*iterables) Appendix C: Set Methods ____set_obj.add(obj) ____set_obj.clear() ____set_obj.copy() ____set_obj.difference(other_set) ____set_obj.difference_update(other_set) ____set_obj.discard(obj) ____set_obj.intersection(other_set) ____set_obj.intersection_update(other_set) ____set_obj.isdisjoint(other_set) ____set_obj.issubset(other_set) ____set_obj.issuperset(other_set) ____set_obj.pop() ____set_obj.remove(obj) ____set_obj.symmetric_difference(other_set) ____set_obj.symmetric_difference_update(other_set) ____set_obj.union(other_set) ____set_obj.union_update(other_set) Appendix D: Dictionary Methods ____dict_obj.clear() ____dict_obj.copy() ____dict_obj.get(key_obj, default_val = None) ____dict_obj.items() ____dict_obj.keys() ____dict_obj.pop(key [, default_value]) ____dict_obj.popitem() ____dict_obj.setdefault(key, default_value=None) ____dict_obj.values() ____dict_obj.update(sequence) Appendix E: Statement Reference ____Variables and Assignments ____Spacing Issues in Python ____Alphabetical Statement Reference ________assert Statement ________break Statement ________class Statement ________continue Statement ________def Statement ________del Statement ________elif Clause ________else Clause ________except Clause ________for Statement ________global Statement ________if Statement ________import Statement ________nonlocal Statement ________pass Statement ________raise Statement ________return Statement ________try Statement ________while Statement ________with Statement ________yield Statement Index