/  Python Tutorial

Python Tutorial:

Python is an easy programming language and popular programming language too. Python is open-source and can get those libraries from python website python.org. In python, function and datatypes were implemented in C, C++.

It can be used for many applications like data cleaning, databases and high-performance computing etc. It holds Data libraries like SciPy, NumPyetc.

Python is being used in Data Science technology development like Neural Networks, Artificial Intelligence, Statistics etc.

Python programming language is one of the top programming languages in the IT industry. Along with being one of the best introductory languages for beginners, Python is also a full-fledged and all-around programming language for programming professionals too!!!

So, Let’s not wait anymore to learn Python with the cutting-edge topics listed below

How to install python?

You can understand the Installation of python on windows and Ubuntu in this tutorial. Before that let me give provide you the download link for downloading the Python. Installers are available to install python on 32-bit and 64-bit versions. Just download the installer and install the software. Once the installation opens the command prompt and give the python command to test. Learn more..

Understanding Syntax & Basic Program in Python:

In this tutorial, you will learn the python syntax and an example about how to write a basic but popular Hello World print program. In this tutorial, we are using python version 3.5. Hence all the examples reflect the same results as like we execute in Python 3.5 Learn more..

What are Variables and Datatypes in python?

A variable is the location in the memory to store the values. A variable may hold different types of values like numbers, strings etc. In Python, no need to declare a datatype for a variable.It will understand by the value that is assigned to the variableThe name of variable or a function that we define can be called as Identifier. An Identifier must obey the below rules.Learn more..

How are numbers defined in python?

In Python, Numbers are often called just integers or ints, are positive or negative whole numbers with no decimal point and can be defined in three ways.i.e Integer, Float, Complex. They  are also called longs, they are integers of unlimited size, written like integers and followed by an uppercase or lowercase Learn more..

Understanding strings operations in python?

In this tutorial, we will work on the Python Strings where we can learn about the manipulation of Strings, using String Operators and string methods and Functions.First, let us understand that how do we declare the strings in python programming language.We can declare and print the strings by placing them in single Quotes (‘..’), Double Quotes (“..”), and using the print function too.Learn more.

What are Ordered sequences defined in python?

Sequence in Python can be defined with a generic term as an ordered set which can be classified as two sequence types. They are mutable and immutable.There are different types of sequences in python. They are Lists, Tuples, Ranges.Lists will come under mutable type tuples are also like Lists which comes under immutable type and Ranges is mostly used for looping operations and this will come under immutable type.  Learn more..

What are Lists in python?

Python Lists holds the data of any datatype like an array of elements and these are mutable means the possibility of changing the content or data in it.List can be created by giving the values that are separated by commas and enclosed in square brackets. Let us see different types of value assignments to a list.  Learn more..

Understanding Tuples in python?

Tuples are generally used to store the heterogeneous data which immutable. Even Tuple looks like Lists but Lists are mutable.To create a tuple, we need to use the comma which separates the values enclosed parentheses.  Learn more..

How to define Range in python?

Range a kind of data type in python which is an immutable. Range will be used in for loops for number of iterations. Range is a constructor which takes arguments and those must be integers..The range() function generates the integer numbers between the given start integer to the stop integer, which is generally used to iterate over with for Loop. Learn more..

How to work with Dictionaries in python?

Dictionaries are created or indexed by key-value pairs. In which keys are immutable type. Tuples can be used as keys, but lists cannot be used as keys. Just because lists are mutable.Generally, the key-value pairs which are stored in the Dictionary can be accessed with the key. we can delete a key value too. Learn more..

What are sets in python?

In this tutorial, we will learn about sets in python. A set is a datatype which holds an unordered collection with immutable and no duplicate elements.By the name, Set can be used for various mathematical operations. Mathematical operation may be union, intersection or difference, etc. Let us see the example of using the Set below.  Learn more..

How operators perform in python?

Operators in Python helps us to perform the mathematical operations with numbers. There are different operators in Python.Operators can manipulate individual items and returns a result. The data items are referred as operands or arguments.What if we want to work with multiple operators at a time. Here comes the Operator precedence in Python. Learn more..

Understanding If..Else.. Statements in python:

In this tutorial, we will discuss about the “if” Condition statement. Let us understand how this “if” statements work. There will be 2 parts in the “if” statement.They are “if” and “elif”, “else” which is optional. when the “if” condition satisfies then it executes the program inside that else it execute the program inside “elif” or “else” statements. Learn more..

How to work with for Loops in python?

In this tutorial, we will learn about for loop. In Python, for loop is used to iterate over the sequence of elements (the sequence may be list, tuple or strings.. etc). This is less like the for keyword in other programming languages, and works more like an iterator method as found in other object-orientated programming languages.  Learn more..

How to use while Loop in python?

In this tutorial, we will learn about while loop. In python, while loop is used to iterate until the condition is satisfied. If the condition given is not satisfied in the first iteration itself, the block of code inside the loop will not get executed. In the below example, we have assigned the value of x as zero and started the while loop until the value of x is less than 10 and print the values.Learn more..

When & where to use the break statement in python?

In this tutorial, we will learn about the Break statement in Python. Break statement is used to terminate the loop program at a point.Let us understand the below example which do not have “break” statement will go through multiple iterations till the value of i becomes 109.  Learn more..

When to use a continue statement in python?

In this tutorial, we will learn about the Continue statement in Python. Continue Statement is used to take the control to top of the loop for next iteration leaving the rest of the statements in the loop without execution.In Python, break and continue statements can alter the flow of a normal loop. Loops iterate over a block of code until test expression is false . Learn more..

When to use a pass statement in python?

Pass statement is used when there is a situation where a statement is required for syntax in the code, but which should not to be executed. So that, When the program executes that portion of code will not be executed.  The pass statement is a null operation; nothing happens when it executes.Learn more..

How to understand and work with Date & Time values in python?

In python, date & time is a module which provides different classes to work with dates and times.Date object depicts the date as date(year, month, day) in an ideal Gregorian calendar. Syntax of the Date class is represented as below.A time object which gives the information about time of any particular day subject to the requirements. The syntax of the time object constructor is given below.  Learn more..

When are functions used in python?

There are 2 types of functions one is User-defined functions and the other is Pre-defined functions. User-defined function is a block of code which can reusable. Once they are defined or written, that can be used multiple times and in other applications too. Pre-defined functions are already existing functions which cannot be changed. But still we can make our own custom functions using those pre-defined functions. Learn more..

What are Packages and modules in python?

In this tutorial, we will learn about Modules in Python. Modules in Python are none other than.  python extension files which contains various statements and functions. In order to import a module, we will use the “import” command. There are many modules in Python. Below are the very few examples just for giving an idea for you. Learn more..

How to Read a File in python?

In this tutorial, we will learn about how to read the date from the file in python. In Python, we will use the method called “open” to open the file and “read” method to read the contents of the file. Open Method take 2 arguments i.e. File name and Mode whereas Read method  has read()  readline()Learn more..

How to write the data into a file in python?

In this tutorial, we will learn how to write into a file in Python. Writing the data into a file can be done by using the “write()” method. The write() method takes string as an argument. Let us see an example of writing the data into the file called “techsal.csv”. First creating the data in a file called “techsal.csv”. Below is the data how it looks. Learn more..

How are Class & Objects defined in python?

In this tutorial, we will understand about the Classes and Objects in Python. . A class is depicted in different syntax as how the functions are defined. Below is the syntax of the Class. The statements inside the class are function definitions and also contain other required statements. When a class is created, that creates a local namespace where all data variables and functions are defined. Learn more..

What are Exceptions in python?

In this tutorial, we will learn about the handling exceptions in Python. It is quite common that for any program written in any programming language may hit the error during the execution due to any reasons.Reasons may be the syntactical error, or conditional or operational errors caused due to filesystem or due to the lack required resources to execute the program. Learn more..

What are Regular Exceptions in python?

Regular Expressions can be used for searching a word or a character or digits from the given data and several patterns. These can be called as RREs, regex patterns.We just need to import the module “re” to work with regular expressions.  Learn more..

How can we do Mathematics in python?

In python, we have the module called “math” which provides the access to mathematical functions which are defined in C programming. There are 2 types of modules for mathematical function. i.e. math and cmath . There are different types of mathematical functions available in math module . Learn more..

How to access Internet using python?

In this tutorial, we will learn about how to access the internet using the python. we will have a module called “urllib” that provides various Objects and functions to access the internet.We can perform many activities using this “urllib” module like accessing the webpage data of any website, sending an email… etc.Learn more..

What is  Data compression in python?

In this tutorial, we will learn about the data compression in Python programming language. In python, the data can be archived, compressed using the modules like zlib, gzip, bz2,lzma,zipfile and tarfile. To use the respective module, you need to import the module first. Let us look at below example. Learn more..

Top 20 Interview Questions in Python – Just for you…

Lets see the top interview question & answers in python which are frequently asked.Our Python Interview Questions is the one-stop resource from where you can boost your interview preparation. We have top 20 questions on Python Programming.Here comes the top 20 interview questions.Learn more..