Python Markdown Example

A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company. Examples of working with text files. Writing and reading list, tuple, different types objects, dictionary, two dimensional matrix, set. In this tutorial, we will learn about python list append method. It adds a new element to the end of the list. Python Tutorial. Code section examples are given below: Using Markdown ```Python str = 'This is block level code' print(str) ``` Using Markup Tags Python str = 'This is a block level code' print(str).

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This topic provides examples of writing and reading information for text files.

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1. Read/write list containing n integers

The following operations are shown in the example:

creating a list of 10 random numbers;
saving the list in a text file;
reading from a file to a new list for control purposes.

Python Markdown Format

The text of the program is as follows:

The result of the program

⇑

2. Read/write list containing strings

When reading/writing lines, it is not necessary to implement additional conversions from one type to another, since the data from the file is read as lines.

The result of the program

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3. Read/write tuple containing floating point objects

The example demonstrates writing and reading a tuple that contains floating point objects.

The result of the program

View of myfile5.txt file

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4. Reading / writing a tuple containing objects of different types

If the tuple contains objects of different types during writing/reading, it is important follow to the sequence of stages of converting objects to the desired type. The following is an example of writing and reading a tuple that contains objects of integer, logical, and string types.

The result of the program

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5. Read/Write Dictionary

The dictionary can also be written to a file. In this example, a dictionary is written and read that contains a list of weekday numbers and their names. To facilitate reading data, each element of the dictionary is placed on a separate string.

The result of the program

View of file myfile6.txt

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6. Read/write two-dimensional matrix of integers, presented in the form of a list

The example demonstrates writing and reading a two-dimensional matrix of integers of dimension 3*4.

The result of the program

View of the file myfile8.txt

⇑

7. Read/write a set that contains integers

The example shows a possible way to save the set in a text file.

The result of the file

The view of myfile7.txt file

⇑

8. Read/write data of different types: list and tuple

To write data of different basic types to a text file, you need to sequentially write data of one type, then another type. When reading such data, one must adhere to this very order so as not to violate the resulting data structure.

The example demonstrates sequential writing to a list file and tuple. When reading, it follows the same sequence: first the list is read, then the tuple. The list includes strings. To facilitate the recognition of the file format, each written (readable) element is placed on a separate line in the file. Since the list and tuple may contain a different number of elements, their dimensions are written to the file.

The result of the program

The view of myfile9.txt file

⇑

Python Markdown Code

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Python tutorial is a widely used programming language which helps beginners and professionals to understand the basics of Python programming easily.

Python is a high-level, easy, interpreted, general-purpose, and dynamic programming language. It supports object-oriented programming approach. It is straight forward to learn, and its elegant syntax allows programmers to express concepts in fewer lines of code as compared to other languages such as C, C++, or Java.

It has excellent>

print'Hello World.'

Python 3.x:

2	print('Hello World.')

Usage of Python

Python is used by many programmers andused in various fields. Most of the time, it is used to perform any complicatedtask in a much easier way than other programming languages.

WhenPython is installed, it comes up with the many powerful libraries which made upof many functions.

Thereare many libraries available on the internet that makes it possible to docomplicated tasks more straightforwardly.

Thesestandard libraries make it a powerful programming language. Python is widely used in the followingfields:

Web development,
Software development,
Machine Learning,
GUIs based applications,
Network programming,
Game development,
Mathematics
Artificial Intelligence
Data Science

Why Python?

Here are some reasons why Python is the most popular language these days:

Pythonprovides rich libraries:

Python provides vast standard libraries that includeareas like machine learning,mathematics, web service tools, operating system interfaces, and protocols.

Python is Open Source language:

Python is freely available at its official site(www.python.org). Anyone can download Python from its official website

Easy to use:

Python is very easy to learn and easy to use. It is auser-friendly language. It uses a fewlines to express the code as compared to other languages.

For example- Suppose you want to print “Hello world”in java, code will be

</div><table><tbody><tr><td><div><div>2</div><div>4</div><div>6</div><div>8</div></div></td><td><div><div><span>public</span><span>class</span><span>HelloWorld</span><span>{</span></div><div><span>// Prints 'Hello, World' to the terminal window.</span></div><div><span>}</span></div></div></td></tr></tbody></table><p>In Python, it canbe done by using one statement.</p><table><tbody><tr><td><div>2</div></td><td><div><span>print</span><span>(</span>“<span>Hello </span><span>World</span>”<span>)</span></div></td></tr></tbody></table><p>The output will bethe same in both codes, but in Python, it takes only one line.</p><h3>Frameworks and Libraries</h3><p>Python providesvarious frameworks for different development fields. There are some popular frameworksgiven below:</p><ul><li>Web development (Server-side): Django is the mostpopular web development framework of Python. Flask, Pyramid, CherryPy, andothers are also used for development.</li><li>GUIs based applications: Tk, PyGTK, PyQt, PyJs, etc</li><li>Machine Learning: TensorFlow, PyTorch, <strong>Scikit-learn</strong>, Matplotlib, etc</li><li>Mathematics: Numpy, Pandas, etc.</li></ul><h3>Object-Oriented Approach</h3><p>Python supportsobject-oriented programming approach. In object-oriented programming, OOPs concepts are based oncreating reusable code and solve programming problems by creating objects. Theseconcepts are also known as <strong>DRY</strong>(Don’t Repeat Yourself).</p><p>In Python, OOPsconcepts are given below:</p><ul><li><strong>Classes</strong></li><li><strong>Objects</strong></li><li><strong>Inheritance</strong></li><li><strong>Polymorphism</strong></li><li><strong>Encapsulation</strong></li></ul><p>We will learnthese concepts in Python OOPs tutorial. </p><h4>Extensible</h4><p>Python isextensible, which allows invoking C and C++ library, and you can combine JAVAas well as .NET components<strong>. </strong></p><h4>Portability</h4><p>Python is a portable language. For example, we have Python program for windows, and we want to run this code on other platforms such as Mac, Unix, Linux, then we do not need to change the code, we can run it on any platform. In this tutorial, we have covered a brief introduction to Python. Python is a very popular language and nothing wrong to say that it is the next generation language </p><h2>Python Topics</h2><ul><li>Python Example</li><li>Python Basics</li><li>Python Variables</li><li>Python Break Statement</li><li>Python Continue Statement</li><li>Python Pass Statement</li><li>Python Goto Statement</li><li>Recursion in Python</li><li>Python Iterator</li><li>Lambda Function in Python</li><li>Python OS Module</li><li>Python Math Module</li><li>Python Import Module</li><li>Python Time Module</li><li>Python Sys Module</li><li>Python Requests Module</li><li>Python Random Module</li><li>Python Struct Module</li><li>Python Calendar Module</li><li>Python CSV Module</li><li>Python Subprocess Module</li><li>Python Namespace</li><li>Exception Handling in Python</li><li>Python Try Except</li><li>Python Write CSV</li><li>Python Read Text File</li><li>Python Write Text File</li><li>Python Read JSON File</li><li>Python Write JSON File</li><li>Python GUI Programming</li><li>Python 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Python</li><li>How to install library in Python</li><li>How to install Tkinter in Python</li><li>How to plot graph in Python</li><li>How to remove element from list in Python</li><li>How to reverse a number in Python</li><li>How to sort a string in Python</li><li>How to sort dictionary in Python</li><li>How to split string in Python</li><li>How to split a list in Python</li><li>How to write a function in Python</li><li>How to add Python to Path</li><li>How to check data type in Python</li><li>How to convert float to int in Python</li><li>How to convert string to float in Python</li><li>How to create a class in Python</li><li>How to create a dataframe in Python</li><li>How to declare global variable in Python</li><li>How to find length of list in Python</li><li>How to find length of string in Python</li><li>How to find prime numbers in Python</li><li>How to find square root in Python</li><li>How to import numpy in Python</li><li>How to import pandas in Python</li><li>How to print 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Python Markdown Example

Contents

1. Read/write list containing n integers

Python Markdown Format

⇑

2. Read/write list containing strings

⇑

3. Read/write tuple containing floating point objects

⇑

4. Reading / writing a tuple containing objects of different types

⇑

5. Read/Write Dictionary

⇑

6. Read/write two-dimensional matrix of integers, presented in the form of a list

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7. Read/write a set that contains integers

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8. Read/write data of different types: list and tuple

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Related topics

Python Markdown Code

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Usage of Python

Why Python?

Python is Open Source language:

Easy to use: