To retrieve data from a database we have to make use of the module available for that database. For MySQL…

Python uses most of the Object Oriented programming concepts. But we can also do functional programming in Python. As per…

In a normal dictionary in Python, there is no order maintained between keys. To solve this problem, we can use…

A Module is a script written in Python with import statements, classes, functions etc. We can use a module in…

Python provides // operator to perform floor division of a number by another. The result of // operator is a…

In Python, we have a built-in function zip() that can be used to aggregate all the Iterable objects of an…

None is a reserved keyword used in Python for null objects. It is neither a null value nor a null…

Python Flask is a micro-framework based on Python to develop a web application. It is a very simple application framework…

A frozenset is a collection of unique values in Python. In addition to all the properties of set, a frozenset…

A metaclass in Python is also known as class of a class. A class defines the behavior of an instance.…

Some of the main benefits of using Python are as follows: I. Easy to learn: Python is simple language. It…

In Python we have two options to copy an object. It is similar to cloning an object in Java. I.…

A lambda expression in Python is used for creating an anonymous function. Wherever we need a function, we can also…

In Python, we use range(0,10) to create a list in memory for 10 numbers. Python provides another function xrange() that…

Python provides many built-in functions that are surrounded by _ symbol at the start and end of the function name.…

We can use Generator to create Iterators in Python. A Generator is written like a regular function. It can make…

An Iterable is an object that can be iterated by an Iterator. In Python, Iterator object provides iter() and next()…

We can use the unit testing modules unittest or unittest2 to create and run unit tests for Python code. We…

A Docstring in Python is a string used for adding comments or summarizing a piece of code in Python. The…

We can use Slicing in Python to get a substring from a String. The syntax of Slicing is very convenient…