Python for Engineers and Scientists: Concepts and Applications

The text focuses on the basics of Python programming fundamentals and introduction to present-day applications in technology and the upcoming state-of-art trends in a comprehensive manner. The text is based on Python 3.x and it covers the fundamentals of Python with object-oriented concepts having numerous worked-out examples. It provides a learning tool for the students of beginner level as well as for researchers of advanced level. Each chapter contains additional examples that explain the usage of methods/functions discussed in the chapter. It provides numerous programming examples along with their outputs. The book: Includes programming tips to highlight the important concepts and help readers avoid common programming errors Provides programming examples along with their outputs to ensure the correctness and help readers in mastering the art of writing efficient Python programs Contains MCQs with their answers; conceptual questions and programming questions; and solutions to some selected programming questions, for every chapter Discusses applications like time zone converter and password generators at the end Covers fundamental of Python up to object oriented concepts including regular expression The book offers a simple and lucid treatment of concepts supported with illustrations for easy understanding, provides numerous programming examples along with their outputs, and includes programming tips to highlight the important concepts. It will be a valuable resource for senior undergraduate, graduate students, and professionals in the fields of electrical engineering, electronics and communication engineering, and computer engineering.

Table of Contents:
Dedication Acknowledgements About the Authors Forewords Preface SECTION I: Python Fundamentals Chapter 1- Interaction with Python 1.1 Introduction 1.2. Variables and Identifiers 1.2.1. How to Name Identifiers 1.2.2. Use of Descriptive Identifiers and Comments 1.2.3. Variable Types 1.2.3.1. Numeric Data types 1.2.3.2. None Data types 1.2.3.3. Sequence Data types 1.2.3.4. Set Data type 1.2.3.5. Mapping Data type 1.2.3.6. Array Datatype 1.3. Constant 1.4. Statement and Expression 1.5. Input statements 1.6. Output statements 1.7. Formatting Output statements 1.7.1. Escape Character 1.7.2. sep and end 1.7.3. String formatting with format() 1.7.4. Numbers formatting with format() 1.8. Comment Statement Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions Chapter 2- Operators 2.1. Introduction 2.2. Types of Operators 2.2.1. Assignment Operator 2.2.2. Arithmetic Operators 2.2.2.1. Precedence of Arithmetic Operators 2.2.3. Relational Operators 2.2.4. Logical Operators 2.2.4.1. and Operator 2.2.4.2. or Operator 2.2.4.3. not Operator 2.2.5. Increment and Decrement Operators 2.2.6. Bitwise Operators 2.2.6.1. Bitwise AND operator (&) 2.2.6.2. Bitwise OR operator (|) 2.2.6.3. Bitwise XOR operator (^) 2.2.6.4. Bitwise Complement (~) 2.2.6.5. Bitwise Left Shift (<<) 2.2.6.6. Bitwise Right Shift (>>) 2.2.7. Membership Operators 2.2.8. Identity Operators 2.2.9. Precedence of all Operators 2.3. Type Casting Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions Chapter 3 -Control Structures 3.1. Introduction 3.2. Conditionals 3.2.1. Conditional if-else 3.2.2. Conditional if-elif-else 3.2.3. Nested if-elif-else statements. 3.2.4. Ternary Operator 3.3. Loops 3.3.1. While Loop 3.3.2. For Loop 3.3.2.1. The range () function 3.3.3. Continue, Break and Pass 3.3.3.1. Continue Statement 3.3.3.2. Break Statement 3.3.3.3. Pass Statemtn 3.3.4. Nested Loops 3.4. Looping through two lists 3.5. Iterator Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions Chapter 4 -String 4.1. Introduction 4.2. Strings 4.2.1. Creating List 4.2.1.1. Creating an Empty String 4.2.1.2. Creating a sting from numbers 4.2.1.3. Creating a string from list and Tuple 4.2.2. Accessing String 4.2.2.1. Membership in String 4.2.3. String Operations 4.2.3.1. Concatenation 4.2.3.2. Repetition 4.2.4. Character Encoding 4.2.5. String Functions and Methods 4.2.6. String Slicing 4.2.6.1. String Slicing with Negative Index 4.2.6.2. String Slicing with Step 4.2.6.3. String Slicing Default Index Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions CHAPTER 5- List & Tuple 5.1. Introduction 5.2. List 5.2.1. Creating List 5.2.1.1. Creating an Empty list 5.2.1.2. Creating a list from a string 5.4.1.3. Creating a list by range function 5.2.1.4. Creating a list from another list 5.2.2. List Operations 5.2.3. Accessing List 5.2.3.1. Membership in List 5.2.4. List Functions and Methods 5.2.5. List Slicing 5.2.5.1. List Slicing with Negative Index 5.2.5.2. List Slicing with Step 5.2.5.3. List Slicing Default Index 5.2.6. Difference between Assignment and Copying a List 5.3. Multi-Dimensional Lists 5.3.1. Retrieval from Multidimensional list 5.4. Tuples 5.4.1. Creating Tuple 5.4.1.1. Creating a tuple with no item 5.4.1.2. Creating tuple with a single item 5.4.1.3. Nesting tuples 5.4.1.4. Creating Tuple from List 5.4.1.5. Creating Tuple from String 5.4.2. Tuple Operations 5.4.2.1. Concatenation (+) Operation 5.4.2.2. Repetition (*) Operation 5.4.3. Tuple Assignment 5.4.4. Accessing Tuple 5.4.4.1. Membership in Tuple 5.4.5. Updating Tuples 5.4.6. Tuple Functions & Methods 5.4.7. Tuple Slicing 5.5. Advantages of Tuple over List Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions CHAPTER-6 Dictionary 6.1. Introduction 6.2. Dictionaries 6.2.1. Creating Dictionary 6.2.1.1. Creating a dictionary with no item 6.2.1.2. Creating a dictionary with dict() 6.2.1.3. Creating a default dictionary 4.2.1.4. Creating a dictionary from list 6.2.1.5. Insertion of a new key-value 6.2.2. Dictionary Assignment 6.2.3. Accessing Dictionary 6.2.4. Dictionary Methods Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions CHAPTER-7 Set 7.1. Introduction 7.2. SET 7.2.1. Creating Set 7.2.1.1. Creating an Empty Set 7.2.1.2. Creating a Set from a List, Tuples and String 7.2.1.3. Creating a Set from a Dictionary 7.2.2. Accessing Set elements 7.2.3. Set Operations 7.2.3. Set Functions and Methods Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions CHAPTER-8 Methods 8.1. Introduction 8.2. Functions 8.3. Parameterized Function 8.3.1. Positional and Keyword Parameters 8.3.2. Default Parameter 8.3.3. Function with Variable number of Arguments 8.4. The Return Statement 8.5. Namespace and Scope of a variable 8.6. Recursive Function 8.7. Lambda Function 8.8. Generators 8.9. Python Modules 8.9.1. Importing a Module 8.9.2. Aliasing 8.9.3. User defined Module 8.10. Closures 8.11. Decorators 8.11. 1. Passing parameter to Decorator 8.11. 2. Decorator Chaining 8.12. Some special methods and Attributes Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions CHAPTER-9 File Handling 9.1. Introduction 9.2. File IO 9.2.1. File Opening and Closing 9.2.2. File Properties 9.2.3. File Reading 9.2.4. File Writing 9.2.5. Binary File Reading/Writing 9.2.6. CSV File Reading/Writing 9.3. File Position 9.4. Some more File operations 9.5. Operating System related Operations 9.6 The ‘with’ statement 9.7 Pickling Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions SECTION II: Object Oriented Concepts in Python Chapter 10: Class and Objects 10.1. Introduction to Object Oriented Programming 10.2. Class and Object 10.2.1 Defining a Class 10.2.2 Generating an Object 10.2.3. __init__, __new__, and __del__ 10.2.3.1 The __init__() 10.2.3.2 The __new__() 10.2.3.3 The __del__() 10.3. Variables and Methods 10.3.1. Variables 10.3.1.1. Object Variables (Instance Variables) 10.3.1.2. Class Variables (Static Variables) 10.3.2. Accessing Variables 10.4. Private and Public variables 10.4.1. Variable starts without any _ symbol (No Underscore) 10.4.2. Variable starting with _ symbol (single underscore) 10.4.3. Variable starting with __ symbols (two underscore) 10.5. Methods 10.5.1. Instance Method 10.5.2. Class Method 10.5.3 Static Method 10.6. Class inside a class (Inner Class) 10.6.1. Accessing attributes of inner Class 10.7. Some special methods Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions CHAPTER-11 Inheritance 11.1. Introduction 11.1.1. Single Level inheritance 11.1.2. Multi-Level Inheritance 11.1.3. Multiple Inheritance 11.1.4. Hierarchical Inheritance 11.1.5. Hybrid Inheritance 11.2. Initialization in Inheritance 11.2.1. __init__() for the child class only is defined 11.2.2.__init__() for the base class only is defined 11.2.3.__init__() for both sub class and super class is defined 11.3. Method Resolution order (MRO) 11.4. Specialized Methods Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions CHAPTER-12 Polymorphism 12.1. Introduction 12.1.1. Duck-Typing 12.1.2. Operator Overloading 12.1.3. Method Overloading 12.1.4. Method Overriding 12.2. Encapsulation Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions CHAPTER-13 Abstract Class, Aggregation, Composition 13.1. Introduction- Abstract Class 13.2. Abstract Class and Abstract Method 13.3. Relationship 13.3.1. Association Relationship 13.3.2. Aggregation (uses a) relationship 13.3.3. Composition (has a) relationship 13.4. Difference between Inheritance and Association 13.5. Difference between Aggregation and Composition Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions CHAPTER-14 Exception Handling 14.1. Errors and Exceptions 14.2. The try, except, else, finally Block 14.2.1. The try, except Block 14.2.2. The try, except, else Block 14.2.3. The try, except, else, finally Block 14.2.4. Mentioning the Error Description 14.3. The Exception Hierarchy 14.4. Exception in a Function 14.5. The raised exception 14.6. User Defined Exceptions 14.7. Assertion Additional Examples Multiple Choice Questions Descriptive Questions Programming Questions Solutions to Multiple Choice Questions