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Introduction to Python

Introduction to Python Programming Paradigms Quiz Yourself on Python's Theoretical Concepts

Python Basics

Identifiers and Keywords Python Types Arithmetic Operators in Python Data Type Conversions Built-in Functions and Modules Containers and Python Type Jargon Comments, Indentation, and Multilining Classes and Objects Challenge: Convert the Temperature from Fahrenheit to Centigrade Solution: Convert the Temperature from Fahrenheit to Centigrade Challenge: Print the Angles of a Triangle Solution: Print the Angles of a Triangle Quiz Yourself on Python Basics

Strings and Regular Expressions

Introduction to Strings String Functions Conversion and Comparison Regular Expressions Regex Repetition Qualifiers, Anchors, and Grouping Challenge: Replace All Occurrences of a Character in a String Solution: Replace All Occurrences of a Character in a String Challenge: Modify the Input String Solution: Modify the Input String Quiz Yourself on Strings and Regular Expressions

Decision Control Instruction

Introduction to Decision Control Instructions Different Operators in Conditions Conditional Expressions The input and pass Statements Challenge: Calculate the Grade Obtained by a Student Solution: Calculate the Grade Obtained by a Student Challenge: Determine Whether a Year is a Leap Year or Not Solution: Determine Whether a Year is a Leap Year or Not Quiz Yourself on Decision Control Instruction

Repetition Control Instruction

Introduction to Repetition Control Instructions Usage of the while Loop Usage of the for Loop The break and continue Statements and the else Block Challenge: Multiplication Table for a Given Number Solution: Multiplication Table for a Given Number Challenge: Find the Reverse of the Input Solution: Find the Reverse of the Input Quiz Yourself on Repetition Control Instruction

Course Assessment

Periodic Test: Basics of Python

Console Input/Output

Console Input Console Output Challenge: Compute the Average of an Arbitrary Number of Inputs Solution: Compute the Average of an Arbitrary Number of Inputs Quiz Yourself on Console Input/Output

Lists

Introduction to Lists Basic List Operations Built-in Functions and List Methods Sorting and Reversing List Varieties Stack and Queue Challenge: Calculate the Mean, Median, and Mode of a List Solution: Calculate the Mean, Median, and Mode of a List Challenge: Separating Positive and Negative Numbers from a List Solution: Separating Positive and Negative Numbers from a List Quiz Yourself on Lists

Tuples

Introduction to Tuples Basic Tuple Operations Built-in Functions and Tuple Methods Tuple Varieties Challenge: Find the Number of Days between Two Date Tuples Solution: Find the Number of Days between Two Date Tuples Challenge: Remove Empty Tuples from a List Solution: Remove Empty Tuples from a List Quiz Yourself on Tuples

Sets

Introduction to Sets Basic Set Operations Built-in Functions and Set Methods Set Operations and Varieties Challenge: Remove All Duplicate Elements Solution: Remove All Duplicate Elements Challenge: Separate the Names in a Set into Two Sets Solution: Separate the Names in a Set into Two Sets Quiz Yourself on Sets

Dictionaries

Introduction to Dictionaries Basic Dictionary Operations Built-in Functions and Dictionary Methods Dictionary Varieties Challenge: Create a Dictionary and Replace Key-value Pairs Solution: Create a Dictionary and Replace Key-value Pairs Challenge: Create Two Dictionaries and Compute the Total Bill Solution: Create Two Dictionaries and Compute the Total Bill Quiz Yourself on Dictionaries

Course Assessment

Periodic Test: Python Containers

Comprehensions

List Comprehension Set and Dictionary Comprehension Challenge: Generate the First 20 Fibonacci Numbers Solution: Generate the First 20 Fibonacci Numbers Challenge: Separate Positive and Negative Numbers from a List Solution: Separate Positive and Negative Numbers from a List Quiz Yourself on Comprehension

Functions

Introduction to Functions Arguments Challenge: Calculate the Number of Uppercase and Lowercase Letters Solution: Calculate the Number of Uppercase and Lowercase Letters Quiz Yourself on Functions

Recursion

Introduction to Recursion Recursive Problems Recursion Types and Limit Challenge: Count the Number of Vowels in a String Solution: Count the Number of Vowels in a String Quiz Yourself on Recursion

Functional Programming

Introduction to Functional Programming Lambda Functions Higher-Order Functions Using Lambda with Map, Filter, and Reduce Challenge: Print an Unpacked List of Areas of Circles Solution: Print an Unpacked List of Areas of Circles Quiz Yourself on Functional Programming

Modules and Packages

Introduction to Modules Importing a Module Packages Quiz Yourself on Modules and Packages

Namespaces

Symbol Table and Namespace The globals( ) and locals( ) Functions Inner Functions, Scope, and the LEGB Rule Quiz Yourself on Namespaces

Course Assessment

Periodic Test: Comprehensions, Functions, Modules, and Packages

Classes and Objects

Introduction to Classes and Objects Classes and Objects in Programming Object Initialization Class Variables and Methods Challenge: Write a Class that Maintains an Integer Solution: Write a Class that Maintains an Integer Quiz Yourself on Classes and Objects

Intricacies of Classes and Objects

Identifier Naming Convention Calling Functions Operator Overloading Everything Is an Object Imitating a Structure and Type Conversion Challenge: Define a Class that Performs Operations on a String Solution: Define a Class that Performs Operations on a String Quiz Yourself on the Intricacies of Classes and Objects

Containership and Inheritance

Introduction to Containership and Inheritance Containership in Python Inheritance in Python What is Accessible Where?Features and Types of Inheritance Abstract Classes and Polymorphism Challenge: Create an Abstract Class and Derive Classes from It Solution: Create an Abstract Class and Derive Classes from It Quiz Yourself on Containership and Inheritance

Iterators and Generators

Iterables, Iterators, and the zip( ) Function Iterators and User-defined Iterators Generators and Generator Expressions Challenge: Generate a List of Questions and Possible Answers Solution: Generate a List of Questions and Possible Answers Challenge: Use a Generator to Find the Max Score for a Student Solution: Use a Generator to Find the Max Score for a Student Quiz Yourself on Iterators and Generators

Course Assessment

Periodic Test: Object Oriented Programming

Exception Handling

What Can Go Wrong?Syntax Errors and Exceptions How to Deal with Exceptions The try and except Blocks User-defined Exceptions The else and finally Blocks Challenge: Print the Square of a Positive Number Solution: Print the Square of a Positive Number Quiz Yourself on Exception Handling

File Input/Output

Basic I/O System

Read/Write Operations

File Opening Modes

Moving within a File

Serialization and Deserialization

Serialization of User-defined Types

File and Directory Operations

Challenge: Append One File's Contents to the End of Another

Solution: Append One File's Contents to the End of Another

Quiz Yourself on File I/O

Miscellany

Documentation Strings Command-line Arguments Bitwise Operators and Assertion Decorators Decorating Functions with Arguments Unicode and Bytes Data Type Challenge: Program Usage at the Command Prompt as a Utility Solution: Program Usage at the Command Prompt as a Utility Challenge: Checking Specific Bits in an Unsigned Integer Solution: Checking Specific Bits in an Unsigned Integer Quiz Yourself on Miscellany

Concurrency and Parallelism

Introduction to Concurrency, Parallelism, and Threads Concurrency and Parallelism in Programming Performance with Concurrency Types of Concurrencies Properties of Thread, Launching Ways, and Parameters Passing Challenge: Copying Content into Files Using Threads Solution: Copying Content into Files Using Threads Quiz Yourself on Concurrency and Parallelism

Synchronization

Introduction to Synchronization Mechanisms for Sharing Resources Mechanisms for Interthread Communication (ITC)Challenge: Create Random Numbers and Print a Square and a Cube via Threads Solution: Create Random Number and Print a Square and a Cube via Threads Quiz Yourself on Synchronization

Course Assessment

Periodic Test: Advanced Topics

NumPy Library

Creation of Array and Filler Arrays Array Attributes and Operations Arithmetic and Statistical Operations Linear Algebra and Bitwise Operations Copying, Sorting, and Comparison Indexing, Slicing, and Array Manipulation Challenge: Practice Some Basic Methods from the NumPy Library Solution: Practice Some Basic Methods from the NumPy Library Challenge: Practice More Methods from the NumPy Library Solution: Practice More Methods from the NumPy Library Quiz Yourself on the NumPy Library

Appendix

Python Specification and Installation Python Resources, Packages, and Tools Compilation Approach Preventing Bugs

Programming in Python/

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Read/Write Operations

Read/Write Operations

Learn how to read/write data in a file.

We'll cover the following...

Write operations
Read operations

Write operations

There are two functions for writing data to a file, as shown below:

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msg = 'Bad officials are elected by good citizens who do not vote.\n'
msgs = ['Humpty\n', 'Dumpty\n', 'Sat\n', 'On\n', 'a\n', 'wall\n']
f = open('message', 'w')
f.write(msg)
f.close()
print('------Reading the file "message"------')
f = open('message', 'r')
data = f.read( )
print(data)
f.close( )
f = open('messages', 'w')
f.writelines(msgs)
f.close()
print('------Reading the file "messages"------')
f = open('messages', 'r')
data = f.read( )
print(data)
f.close( )

Note: We can write a string using the ...