This article provides a comprehensive overview of exception handling in Python programming language along with example programs.   Introduction An error is an abnormal condition that results in unexpected behavior of a program. Common kinds of errors are syntax errors and logical errors. Syntax errors arise due to poor understanding of the language. Logical errors […]

In this article we will learn about inheritance and polymorphism in Python programming language. Both inheritance and polymorphism are defined and examples are provided.   Inheritance Creating a new class from existing class is known as inheritance. The class from which features are inherited is known as base class and the class into which features […]

This article provides a comprehensive overview of object oriented programming in Python programming language along with example programs.   Introduction to Classes and Objects Classes and objects are the two basic concepts in object oriented programming. An object is an instance of a class. A class creates a new type and provides a blueprint or […]

This article provides a comprehensive overview of packages in Python programming language along with example programs.   Introduction A package is a directory structure which can contain modules and sub packages. Every package in Python is a directory which must contain a special file called __init.py__. The file __init.py__ can be empty. To allow only […]

This article provides a comprehensive overview of modules along with examples in Python programming language.   Introduction A function allows to reuse a piece of code. A module on the other hand contains multiple functions, variables, and other elements which can be reused. A module is a Python file with .py extension. Each .py file […]

In this article we will learn about functions in Python programming language. This article provides you a comprehensive overview of functions in Python language.   Introduction to Functions   A function is a block of organized and reusable program code that performs a specific, single, and well-defined task. A function provides an interface for communication […]

In this article we will look at comprehensions in Python programming language. We will look at what is a comprehension in Python and different types of comprehensions.   Introduction Python comprehensions are constructs that create sequences from existing sequences in a clear and concise manner. Comprehensions are of three types:   list comprehensions set comprehensions […]

This article provides a comprehensive overview of data structures in Python programming language along with relevant examples.   Introduction A data structure is a construct to store data and organize that data efficiently to perform computations. In Python, data structures can be created using the following types:   Lists Tuples Sets Dictionaries   Lists   […]

This article provides a comprehensive overview of control statements in Python programming language along with example programs.   Introduction   Generally, a Python script executes in a sequential manner. If a set of statements should be skipped or repeated again, we should alter the flow of control. The statements which allow us to alter the […]

This article provides a overview of expression evaluation in Python programming language along with easy to understand examples.   Introduction to Expression Evaluation   A Python program contains one or more statements. A statement contains zero or more expressions. Python executes a statement by evaluating its expressions to values one by one. Python evaluates an […]