Basic Core Python Programming by Meenu Kohli -- Read -- Imperial Library of Trantor

Index

Cover Page Title Page Copyright Page Dedication Page About the Author About the Reviewer Acknowledgement Preface Errata Table of Contents 1. Introduction

Introduction Structure Objectives 1.1 Overview of programming languages

1.1.1 High-level programming languages 1.1.2 Low-level programming languages

1.1.2.1 Machine language 1.1.2.2 Assembly language

1.2 Language processors

1.2.1 Assembler 1.2.2 Compiler 1.2.3 Interpreter

1.3 Generations of programming languages 1.4 Programming paradigms 1.5 History of Python 1.6 Features of Python 1.7 Future of Python 1.8 Installing Python in 5 simple steps 1.9 Memory management in Python 1.10 Python versus Java Points to remember Conclusion Multiple choice questions

Answers

Short questions and answers Descriptive questions and answers

2. Python Basics

Introduction Structure Objectives 2.1 Integrated Development and Learning Environment Editor 2.2 Tokens

2.2.1 Python reserved words/keywords 2.2.2 Python identifiers

2.2.2.1 Python Variables

2.2.3 Python literals 2.2.4 Delimiter 2.2.5 Python operators

2.3 Python comments

2.3.1 Comments - When writing code for yourself 2.3.2 Comments help others read your code 2.3.3 How to write comments 2.3.4 Python docstring and comment 2.4 Indentation

2.5 Constants 2.6 Static and dynamic typing 2.7 Data types 2.8 Statements in Python Points to remember Conclusion Multiple choice questions

Answers

Short questions and answers Descriptive questions and answers

3. Numbers, Operators and In-built Functions

Introduction Structure Objectives 3.1 Numbers in Python 3.2 Boolean variables and expressions

3.2.1 Conversion of boolean to integer and vice versa

3.3 Operators

3.3.1 Arithmetic operators

3.3.1.1 Arithmetic operators precedence in Python

3.3.2 Relational/Comparison/Conditional operator 3.3.3 Logical operator (Boolean expressions)

3.3.2.1 The ‘and’ operator 3.3.2.2 The ‘or’ operator 3.3.2.3 The ‘not’ operator 3.3.4 The ‘Assignment’ operator

3.3.5 Bitwise operators

3.3.5.1 Binary AND 3.3.5.2 Binary OR 3.3.5.3 Binary XOR 3.3.5.4 Binary ones complement 3.3.5.5 Binary left shift 3.3.5.6 Binary right shift

3.3.6 Membership operators 3.3.7 Identity operators 3.2.8 Operator precedence and associativity

3.4 Built-in functions for math operators

3.4.1 Functions available for conversion of numbers from one type to another

3.5 Math module

3.5.1 Mathematical functions 3.5.2 Trigonometric functions

3.6 Working with random numbers 3.7 Float representation and equality 3.8 Statements

3.8.1 Simple statements 3.8.2 Compound statements

3.9 Date/Time module Points to remember Conclusion Multiple choice questions

Answers

Short questions and answers Coding questions and answers Descriptive questions and answers

4. Strings

Introduction Structure Objective 4.1 Introduction to strings 4.2 Escape characters

4.2.1 Using quotes inside quotes

4.3 Getting the user input and displaying output

4.3.1 input() function 4.3.2 Possibilities of printing output

4.4 Typecasting data types 4.5 String indexing and string length

4.5.1 String Index 4.5.2 Length of a string

4.6 Basic string operations

4.6.1 Concatenation of Strings 4.6.2 Repetition 4.6.3 Strings are immutable 4.6.4 String slicing and how it is different from indexing

4.7 Strings in-built or predefined methods

4.7.1 help() 4.7.2 find() 4.7.3 upper() 4.7.4 lower() 4.7.5 strip() 4.7.6 replace() 4.7.7 split() 4.7.8 join() 4.7.9 in and not in 4.7.10 endswith() 4.7.11 Some fun with string methods

4.7.11.1 capitalize() 4.7.11.2 casefold() 4.7.11.3 centre() 4.7.11.4 count() 4.7.11.5 encode() 4.7.11.6 endswith() 4.7.11.7 find() 4.7.11.8 format() 4.7.11.9 index() 4.7.11.10 isalnum() 4.7.11.11 isalpha() 4.7.11.12 isdecimal() 4.7.11.13 isdigit() 4.7.11.14 islower() 4.7.11.15 isnumeric() 4.7.11.16 isspace() 4.7.11.17 lower() 4.7.11.18 swapcase()

4.8 Regular expression

4.8.1 Working with ordinary characters 4.8.2 Wild card characters: Special characters

4.8.2.1 A period(.) 4.8.2.2 Caret(^) 4.8.2.3 End of String($) 4.8.2.4 Match any single character ([….]) 4.8.2.5 Backslash(\) 4.8.2.5 \w - Lowercase 'w' 4.8.2.6 \W - Uppercase 'W'. Matches any character not part of \w 4.8.2.7\s matches whitespace equivalent to [\t,\n,\r,\f] 4.8.2.8 \d matches digits 4.8.2.9 \D matches non-digits 4.8.2.10 \A matches beginning of a string 4.8.2.11 \Z same as ‘$’ 4.8.2.12 \b matches only the beginning of a word

4.8.3 Repetitions

4.8.3.1 + 4.8.3.2 * 4.8.3.3{} 4.8.3.4 ?

4.8.4 Grouping 4.8.5 Functions provided by re module

4.8.5.1 compile() 4.8.5.2 search() 4.8.5.3 match() 4.8.5.4 findall() 4.8.5.5 finditer() 4.8.5.6 sub() 4.8.5.7 split()

4.8.6 Compilation flags

Points to remember Conclusion Multiple choice questions

Answer

Short questions and answers Coding questions and answers Descriptive questions and answers

5. Lists and Arrays

Introduction Structure Objective 5.1 What is a list?

5.1.1 Nested lists

5.2 List operations, functions and methods

5.2.1 List operations

5.2.1.1 Concatenation of lists 5.2.1.2 Repetition 5.2.1.3 Slicing of a list 5.2.1.4 Membership 5.2.1.5 del()

5.2.2 In-built list methods

5.2.2.1 append() 5.2.2.2 extend() 5.2.2.3 insert() 5.2.2.4 sort() 5.2.2.5 pop() 5.2.2.6 remove() 5.2.2.7 reverse()

5.2.3 In-built functions

5.2.3.1 all() 5.2.3.2 any () 5.2.3.3 len () 5.2.3.4 count() 5.2.3.5 index() 5.2.3.6 max() 5.2.3.7 min () 5.2.3.8 sum() 5.2.3.9 sorted() 5.2.3.10 list() 5.2.3.11 join()

5.3 Aliasing and cloning

5.3.1 Cloning of lists

5.4 List comprehensions 5.5 Arrays

5.5.1 Properties of arrays: 5.5.2 Accessing Python arrays 5.5.3 Changing elements of an array 5.5.4 Appending values to an array 5.5.5 Removing Python array elements

5.5.5.1 Using del 5.5.5.2 Using remove()

Points to remember Conclusion Multiple choice questions

Answer

Short questions and answers Coding questions and answers Descriptive questions and answers

6. Tuples and Dictionaries

Introduction Structure Objective 6.1 Introducing tuples

6.1.1 Creating a tuple 6.1.2 Accessing elements of a tuple

6.1.2.1 Using index value 6.1.2.2 Using slice operation

6.1.3 Tuple operations and in-built methods

6.1.3.1 ‘+’ Operator 6.1.3.2 count() 6.1.3.3 index() 6.1.3.4 in/ not in 6.1.3.5 len() 6.1.3.6 * Operator 6.1.3.7 max() 6.1.3.8 sorted()

6.1.4 Tuples vs lists

6.2 Introducing dictionaries

6.2.1 Features of a dictionary 6.2.2 Creating a dictionary object 6.2.3 Accessing values of a dictionary 6.2.4 Dictionary in-built methods

6.2.4.1 Deleting or removing elements from a dictionary 6.2.4.1.1 pop() 6.2.4.1.2 popitem() 6.2.4.1.3 del 6.2.4.2 clear() 6.2.4.3 copy() 6.2.4.4 fromkeys() 6.2.4.5 items()

Points to remember Conclusion Short questions and answers Coding questions and answers Descriptive questions and answers

7. Sets and Frozen Sets

Introduction Structure Objective 7.1 Sets 7.2 Sets’ basic rules 7.3 Conversions with sets 7.4 Working with sets

7.4.1 Operator: in/not in, ==, <, <=, >, >=

7.4.1.1 in and not in 7.4.1.2 == Operator 7.4.1.3 < Operator 7.4.1.4 <= Operator 7.4.1.5 > Operator

7.4.2 Set methods: add(), clear(), and copy()

7.4.2.1 add() 7.4.2.2 clear() 7.4.2.3 copy() 7.4.2.4 discard() and remove() 7.4.2.5 pop() 7.4.2.6 update()

7.5 Set operations

7.5.1 Difference (-) 7.5.2 Symmetric difference (^) 7.5.3 Union(|) 7.5.4 Intersection(&) 7.5.5 isdisjoint()

7.6 Frozen sets 7.7 Difference between sets and frozen sets Points to remember Conclusion Short questions and answers Coding questions and answers Descriptive questions and answers

8. Program Flow Control in Python

Introduction Structure Objective 8.1 Working with ‘if’

8.1.1 If .. elif..else 8.1.2 ’if’ statement 8.1.3 ’if…else’ statement 8.1.4 Nested if statement

8.2 ‘for’ loops

8.2.1 Iterating over a range of numbers

8.2.1.1 Convert a range into a list 8.2.1.2 Negative steps in range

8.3 ‘while’ loops 8.4 ’else’ clause with loops 8.5 continue, break, and pass statements 8.6 Recap on control structures 8.7 Python iterators 8.8 Python generators Points to remember Conclusion Multiple choice questions

Answer

Coding questions and answers Descriptive questions and answers

Index

← Prev
Back
Next →

← Prev
Back
Next →