Python programming language is an interpretable and high-level language, intended to be used for general programming. Indenting code in a significant manner accentuates the design of the code, which gives us the advantage of the reality that it is considered the best method to indent block statements and subsequent lines of multiple lines of code.
By using this method, people can easily understand and read code that is far simpler to write.
History of Python
A successor to ABC, a programming language inspired by ABC and capable of handling exceptions and interacting with the Amoeba operating system, was developed by Guido van Rossum at Centrum Wiskunde & Informatica (CWI) in the Netherlands in the late 1980s.
The program was initially released in 1991s but implemented in December 1989.
Having been released in 1991, the language was able to express concepts in a much simpler way when compared to Java, C++, and C, with a lot less code.
When compared to those languages, there were a lot fewer codes. It also had a well-designed design philosophy.
Its primary objective is to provide code readability and an advanced level of productivity for developers. There was plenty of capability in it when it was released, including inheritance, several core data types, exception handling, and functions.
Below you will find illustrations of Python’s different versions as well as a timeline of its development.
Scopes In Python
A variable’s visibility is determined by the coding region where it is visible. Variable visibility is not limited to the entire code; it can be limited. Scope determines which variables can be ‘Seen’.
The scope defines the set of rules which tell us how and where a variable can be searched. Variables may be searched for retrieval or assigning values. The namespace identifies each variable and method uniquely.
A Python interpreter must be informed of the name of the object as well as the location where it is trying to access it.
Namespaces are searched by the interpreter for scope resolution based on the LEGB rule. It is important to note that LEGB stands for Local, Enclosed, Global, and Built-in.
The sequence of the letters is very important. The variable is first searched in Local, then Enclosed, then Global and finally Built-in.
Various applications of this language include development, scripting, generation, and software testing.
Because of its elegance and simplicity, top technology organizations such as Dropbox, Google, Quora, Mozilla, Hewlett-Packard, Qualcomm, IBM, and Cisco have implemented Python.
Types of scope
1. Local Scope
It is important to understand that variables defined in a function body[inside the function] are a local scope of the variable. Local scope variables are defined in the body of the function. Here is an example to illustrate this concept.
Let’s understand with an example, here we will take one variable and assign a value of 0, according to our definition the variable which will be declared inside the function is a local variable.
The number is: 1
It raises an error if we use the value of the num variable in the function before declaring it locally.
2. Global Scope
Global scope variables can be accessed inside or outside a function. When we want to use the same variable in the rest of the program, we declare it to be global.
Here we declare a variable named str, which is outside the function, the function glob is called, and it will print the value of variable str.
There is no need to use the keyword Global.
Str = “You are intelligent”
You are intelligent
3. Enclosed scope
It is also called nonlocal scope. To create a nonlocal variable, the nonlocal keyword is used. The enclosed variable is a variable defined within the nested function.
In the below code, we will create an outer function, and there is a nested inner func(). In the scope of outer() function, the inner() function is described. If we change the nonlocal[Enclosed] variable as defined in the inner() function, then variations are shown in the outer function.
x = “local”
x = “nonlocal”
4. Build-in scope
An external variable is searched for in the built-in scope, even if it is not defined in a local, enclosed, or global scope.
Let’s take a simple example in which we import the math module pi and we did not define the pi value in the local, nonlocal, or global scope. Since Python prints, the value of pi from the built-in scope, the name that appears in it should not be used as an identifier.
# Built-in Scope
from math import pi
# pi = ‘The global pi is not defined’
# pi = ‘Not defined in outer pi’
# pi = ‘inner pi is not defined’
Why python is popular among other languages?
The popularity of Python is mainly due to its easy-to-learn syntax and versatility. Python can be used to develop software in almost every field [Data Science, Machine Learning, etc.]
Python’s popularity is due in large part to the fact that it is an easy language to learn in comparison to C, C++, Java, Ruby, and PHP(hypertext preprocessor), making it a very useful language.
The Python programming language makes it extremely easy to implement algorithms. Additionally, Python provides its users with flexibility and helps manage the data they are working with.
Is it easy to learn python?
We all come to the point in life when it’s time to decide our career path and in which field we should pursue our future.
It is at this point that we are bombarded by many suggestions and advice from all over the world, but if you are willing to work as a Software Engineer or Software Developer, then Python Programming Language should be your choice.
Python vs other programming languages
Python’s ease of use can be determined by comparing it with another coding to that of other popular languages.
Printf(“Hello world, Welcome to Enlightmenow!”);
Using namespace std;
cout << ” Hello world, Welcome to Enlightmenow!”;
namespace Hello World, Welcome to Enlightmenow
static void Main(string args)
Console.WriteLine(“Hello World, Welcome to Enlightmenow!”);
Print(“Hello World, Welcome to Enlightmenow!”)
How long does it take to learn python for beginners?
As a beginner, it will take a maximum of 6-8 weeks to learn the fundamentals of Python. It takes you that much time to learn how to understand most lines of code in Python.
It would take you almost twice as long to learn Python to move into a new career as a Python developer.
As you progress into more advanced concepts and levels of Python, you can keep focused on one thing at a time.
Learning Python is just like learning any other skill. It would help if you had a clear goal that you can break into smaller milestones. Your time and effort will be well rewarded by learning Python.
How many frameworks are in python?
In general, there are three main types of Python frameworks:
I. Full stack
As a typical full-stack framework, these frameworks include all the features you would expect in a web development framework, such as form generators, form validation, and template layouts.
Microframeworks typically require a lot of code and additional requirements manually and don’t provide the data abstraction layer, form validation, or specific tools.
The asynchronous library makes it possible to run multiple processes simultaneously using asynchronous frameworks.
A list of several frameworks in python is below,
The average salary of a Python Developer?
In the US
As of September 26, 2022, the average Python Developer salary in the United States is $96,468. However, the salary range typically ranges between $88,514 and $104,922.
Several important factors affect salary ranges, including education, certifications, additional skills, and years of experience. Salary.com offers more online, real-time compensation data than any other website, helping you find your exact pay target.
The minimum salary for Python Developers in Pakistan is 38,400 PKR, while the maximum salary is 133,000 PKR. Half (50%) of Python Developers earn less than 90,100 PKR per month, while the other half earn more than 90,100 PKR.
The median salary for Python Developers (s) is 90,100 PKR per month.
Python developers in China earn an average gross salary of ¥318,671 or 153 per hour. They also earn an average bonus of ¥13,894.
The average python developer’s gross salary in Japan is ¥10,153,026 or an equivalent hourly rate of ¥4,881. In addition, they earn an average bonus of ¥442,672.
In Seoul, South Korea, the average python developer’s gross salary is ₩88,719,104, or ₩38,802 per hour. This is 4% higher (+2,787,616) than the average python developer salary in Seoul.
As we know that Python is beginner-friendly and interesting as well as a short syntax language to start, so to be honest if you’re looking for a programming language to start and make a career in development, python is a good choice to go with.