Contents
- Why should you learn Python?
- Easy to Learn
- Python Extensibility
- The Role of Python in Big Data and Automation
- How to Install Python?
- What you will see on the screen is the Python interactive shell. To get out of the shell
- About The Commands
- Language Elements
- Type of Data
- Python Roadmap for Beginners
- Basics of Object Oriented Programming (OOP) (simple classes)
- Advanced – A.I. / Machine Learning / Data Science
- Advanced – Full Stack Web Development
- Version Control
- Resources
- Web Development with Python
- Python for Devops
- Python applied to Data Science
- Machine learning from the hand of Python
- In Conclusion
Last Updated on March 10, 2025
Python is a powerful and easy-to-learn programming language. It has efficient high-level data structures and a simple but effective object-oriented programming system. Python’s elegant syntax and dynamic typing, along with its interpreted nature, make it an ideal language for scripting and rapid application development in many areas, for most platforms.
The Python interpreter and extensive standard library are freely available in source code and binary form for most platforms from the Python web, https://www.python.org/, and can be freely distributed. The same site contains distributions and addresses to many third-party Python modules, programs, tools, and additional documentation.
The Python interpreter is easily extensible with functions and data types implemented in C or C ++ (or other languages that allow it to be called from C). Python is also suitable as a language for extending modifiable applications.
Why should you learn Python?
Python is a useful language for almost all types of development. An excellent language for developing back-end tools and other types of software and AI objects. Let’s see why we need to learn Python.
Easy to Learn
As easy as learning Python code. It sounds like English. Three lines of java or C code can be replaced with three words of Python code. Python is a completely free open-source platform. You don’t need a complex language to handle Python.
Python Extensibility
As a versatile programming language, Python doesn’t impose strict guidelines or hard code rules to follow. You can easily perform all kinds of operations. It is absolutely not necessary to choose the ideal platform that is supported on most platforms, from Windows to Linux. Easily integrate Java and .net components (including these components).
Test
The main advantage is that Python has a built-in testing framework that covers error correction and workflow. There are tools like selenium that make these test possible in cross browsers and other platforms. Testing is a very difficult task and Python is a perfect language to help you.
The Role of Python in Big Data and Automation
Python supports the manipulation of large data. Some functions support the processing of various types of information. Added support for parallel computing using Python. Using Python with Big Data makes it easier to use. As Python can also be used as a text language, it is equally important in automation.
These are a few things you should know in Python programming:
How to Install Python?
Once you have installed your GNU/Linux distribution, you will already have Python installed on your system. To check, you open a terminal (press Alt + F4 and then type in the field of search gnome-terminal) and type python as shown below:
eugenia @ cochito: ~ $ python
Python 2.7.2+ (default, Oct 4 2011, 20:03:08)
on linux2
Type “help”, “copyright”, “credits” or “license” for more information.
What you will see on the screen is the Python interactive shell. To get out of the shell
interactive, press the Ctrl + D keys.
eugenia @ cochito: ~ $ python
Python 2.7.2+ (default, Oct 4 2011, 20:03:08)
on linux2
Type “help”, “copyright”, “credits” or “license” for more information.
>>> print “Hello World!”
Hello World!
>>>
If instead of the interactive shell, you see an error message similar to “python: command not
found ”, you must follow the following steps to install it:
Update the list of repositories:
eugenia @ cochito: ~ $ sudo apt-get update
Update the Operating System:
eugenia @ cochito: ~ $ sudo apt-get upgrade
Install Python:
eugenia @ cochito: ~ $ sudo apt-get install python2.7
About The Commands
Sudo: makes you a super user. Only user who has permissions to install packages on your operating system. apt-get: is the utility to manage packages in distributions GNU / Linux based on Debian. Alternatively, you can use the aptitude command instead of apt-get.
Update: apt-get option that synchronizes the index files of packages with the official repositories. (in other words, gets an update index)
Upgrade: apt-get option that upgrades the system. install: is the apt-get option indicating that one will be installed or more packages.
Language Elements
As in most high-level programming languages, Python uses It is made up of a series of elements that feed its structure. Between them, we can find the following:
Variables
A variable is a space to store modifiable data, in the memory of a computer. In Python, a variable is defined with the syntax:
name_of_variable = value_of_variable
Each variable has a name and a value, which defines the data type of the variable. There is a type of “variable”, called constant, which is used to define values fixed, that do not require to be modified.
WBS 8: variables
Use descriptive and lowercase names. For names compounds, separate words by underscores. Before and after the = sign, there must be one (and only one) space in white.
Correct: my_var = 12
Incorrect: MyVariable = 12 | myvariable = 12 | my_variable = 12 |
my_variable = 12
PEP 8: constants
Use descriptive and uppercase names separating
words by underscores.
Example: MY_CONSTANT = 12
To print value to the screen, in Python, use the print keyword:
my_variable = 15
print my_variable
The above will print the value of the variable my_variable on the screen.
Type of Data
A variable (or constant) can contain values of various types. Among them:
Text string (string):
my_string = “Hello World!”
my_multiline_string = “” “
This is a chain
of several lines
“” “
Whole number:
age = 35
Octal integer:
age = 043
Hexadecimal integer:
age = 0x23
Real number:
price = 7435.28
Boolean (true / false):
true = true
false = False
There are also other more complex types of data, which we will see later.
Python Roadmap for Beginners
Beginner
Data types
Lists
Strings
Tuples
Sets
Floats
Ints
Booleans
Dictionaries
Flow / loop control
for curls
while loops
if / elif / else
Arithmetic and expressions
I / O (input / output)
System module
Standard input / output
Read / write files
The functions
Exceptions and error handling
Basics of Object Oriented Programming (OOP) (simple classes)
Intermediate
Recursion
Regular expressions
More advanced OOP
Heritage
Polymorphism
Encapsulation
Method overload
Data structures
Linked lists
Batteries, queues
Binary search trees
AVL trees
Graphics
Trees covering minimum
Hash Cards
Algorithms
Linear search
Binary search
Hashing
Quick sort
Sort by insertion / selection
Sort by merge
Tri Radix
First in-depth search
First width search
Prim’s algorithm
Dijkstra’s algorithm
Algorithmic complexity
Big O notation
Advanced – A.I. / Machine Learning / Data Science
Statistics
Probability
Brute force research
Heuristic research
Distance from Manhattan
Acceptable and informed heuristics
Climbing
Simulated annealing
A search
Contradictory research
Minimax
Alpha-Beta Size
Greedy algorithms
Dynamic programming
Genetic algorithms
Artificial neural networks
Backpropagation
Natural language processing
Convolutional neural networks
Recurrent neural networks
Generative networks of adversaries
Advanced – Full Stack Web Development
Computer networks (no need to go into details but an understanding is necessary) Backend web development tools (This is for application logic and interfacing with databases etc.).
Ball
Django
Front-end framework (this is to communicate with the backend)
Angular 6+
React / Redux (These are libraries and not frameworks but most see them as a framework)
With frontend you will also need
HTML
CSS
JavaScript (also good for learning typography which is used in Angular. It makes JavaScript writing more enjoyable).
Relational Database (pick one and learn it, they’re all pretty similar)
MySQL
PostgreSQL
Non-relational
MongoDB
Apache Cassandra (wide column)
Caching systems
MemcacheD
Redis
Cloud Computing (knowledge of cloud computing is important these days)
AWS (offers the most services and has a one-year free tier)
Google cloud
Azure
Other ‘Must Knows’
Version Control
Git (start using Github right away, it’s your portfolio !!!)
SQL (relational and non-relational databases – Almost everywhere these days)
Code quality / Engineering best practices
Cloud Computing Basics – Pick a Vendor and Start Learning (AWS Recommended – Largest Choice of Services)
Scalable Systems Design – (https://github.com/donnemartin/system-design-primer)
Resources
Mid-level resources
Algorithms and data structures in Python by Goldwasser and Goodrich
Web Development with Python
Well known we find Django, the free and open-source web application framework written in Python. It is also not a newcomer and is used in production by companies with Instagram, Pinterest, or The New York Times.
To this Python framework, we can add some as interesting as the minimalist Flask or Pyramid. In addition to these frameworks, we can highlight the importance of creating Restful APIs or graphql with libraries like Graphene.
Python for Devops
The accessibility and flexibility of Python is also one of the reasons to prefer this language in DevOps. It’s great for scripting and automating the process. The fact that tools like Ansible and SaltStak are written in Python demonstrates the language’s capabilities for automation and orchestration tasks. As we talk about data science or machine learning, we can also highlight learning for System Admin using Python 3.
Python applied to Data Science
Here we find one of the main keys to the exponential growth of interest in Python in recent years. Hand in hand with Data Science as one of the best valued professions, whose base is based on mathematical languages such as R and with Python thanks to libraries and frameworks such as PyBrain, NumPy or PyMySQL .
Using these tools we can do much more than collect and classify information, creating scripts to automate processes, in addition to preparing a dashboard with that information.
Machine learning from the hand of Python
The rise of Deep Learning with some frameworks like Tensor Flow has also motivated many developers to learn Python.
The exploratory nature of machine learning fits perfectly with Python, so we can find libraries such as Keras, PyBrain or scikit -learn to perform classification, regression, clustering, and preprocessing or algorithm model generation tasks.
As with the roadmap proposed to start with data science, in machine learning it happens quite similar, although we can use Java or Scala, Python is still a dominant language in the academic field since it fits perfectly when implementing the bases of machine learning.
In Conclusion
Python is a great first language as if it’s your second, third, or nth language. Its learning curve is less harsh than others, it has thousands of libraries that allow us to do what we propose in a few lines of code. It allows you to evolve quickly, in addition to delving into more complex tasks, as you gain fluency.
Obviously recommending a programming language is complicated. It depends on many factors such as the use that you are going to give it. Nor is it the same to recommend a language to someone who is just starting to program as to another programmer with extensive experience in various programming languages.
As we said above: this is not a language war but due to the current momentum of Python, you should hire RedBlink’s team of experts in Python, since it may be the language that helps you in your next project.
Now a days, data suggests low-code/no-code tools are actually opening doors for such non-developers. 60% to 70% of companies said non-developers in their company already build tools for internal business use, and nearly 70% – 80% predict to see more of this trend in 2021.