C++ Tutorial – Detailed Explanation of Differences Between C++ and Python

What Is C++?

C++ is a high-level, general-purpose programming language developed by Bjarne Stroustrup in 1979. It is an extension of the C language, which includes classes. The concept of object-oriented programming was introduced in the C++ language. C++ is also known as an object-oriented programming language.

It was originally designed for system programming and embedded systems, but later it was also used to develop various applications, such as desktop applications, video games, servers (e.g., e-commerce, web search, or SQL servers), and performance-critical applications like telephone exchanges.

What Is Python?

Python is a general-purpose high-level programming language developed by Guido van Rossum in 1991. The main goal of developing Python was simplicity. It has features like indentation that make the code more readable, and it also includes library functions that make the language more powerful.

Python was ranked as the top programming language in the IEEE Best Programming Languages of 2018. Due to its popularity and simplicity, Python has become increasingly powerful in the industry.

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Differences Between C++ and Python

C++ Tutorial - Detailed Explanation of Differences Between C++ and Python

C++ Python
Definition C++ is a high-level and object-oriented programming language that allows for procedural programming close to the CPU, providing complete control over hardware. Python is an interpreted, high-level general-purpose programming language used for developing various projects.
Learning Difficulty C++ is based on object-oriented concepts and involves memory allocation. If we write an erroneous program in C++, it may damage the system. For beginners, learning difficulty is a major factor. If a programming language is difficult, it becomes challenging for programmers to learn. Python’s syntax is similar to English, making it very easy to learn.
Speed In C++, we can allocate memory for variables and release memory when the variables are no longer used in the code. C++ is faster than Python. Python is written in C, so memory management is difficult in Python.
Memory Management In C++, we need to allocate memory for new variables and release it when the variables are no longer needed. Failure to do so may lead to memory leaks. Thus, it can be said that C++ does not provide built-in garbage collection and dynamic memory management. Python provides built-in garbage collection and dynamic memory management mechanisms, meaning it allocates and releases memory by itself.
Compilation C++ is a precompiled programming language, so it does not require an interpreter during compilation. Python is an interpreted programming language, so it requires an interpreter during compilation.
Readability C++ has complex syntax, making it difficult to read and write. It follows programming rules, such as requiring curly braces and semicolons at the end of statements. Python does not follow these programming rules. It uses indentation rules, similar to English; this indentation makes it easier for programmers to understand the code.
Variable Declaration In C++, we need to declare the type and name of a variable before using it. Thus, C++ is a statically typed programming language. Python is a dynamically typed programming language, meaning we do not need to declare the variable before using it.
Functions In C++, functions accept and return specific types of values based on predefined definitions. For example, if we have a function int add(int a, int b), then the function only accepts integer values as parameters and returns an integer type value. In Python, there are no restrictions on parameter types and return types.

Let’s summarize the above differences in tabular form.

C++ Python
Definition High-level and precompiled programming language that allows for procedural programming. Interpreted high-level programming language used for developing various projects.
Learning Difficulty Higher learning difficulty, complex syntax. Easy to learn, simple and readable syntax.
Memory Management Requires manual allocation and release of memory. Built-in garbage collection and dynamic memory management.
Compilation Precompiled language, does not require an interpreter. Interpreted language, requires an interpreter.
Readability Complex syntax, uses curly braces and semicolons. Uses indentation rules, similar to English.
Variable Declaration Requires declaration of variable types. No need to declare variable types.
Functions Functions accept and return specific types of values based on definitions. No restrictions on parameter types and return types.

C++ Program:

#include <iostream>
using namespace std;
int main(){
   int a = 20;
   std::cout << "Value of a: " << a << std::endl;
   return 0;
}

Python Program:

# Python program
# Integer assignment
a = 20
print(a)

In the above two programs, the output is both 20. The difference between the two programs is that C++ requires declaring the type of the variable, while Python does not.

Functions:

In C++, functions accept and return specific types of values based on predefined definitions. For example, if we have a function int add(int a, int b), this function only accepts integer values as parameters and returns an integer type value. On the other hand, in Python, there are no restrictions on the types of parameters and return values.

Let’s summarize the differences in tabular form.

C++ Python
It is a high-level and precompiled programming language that allows for procedural programming. It is a high-level and interpreted programming language used for developing various types of projects.
It is not easy to learn due to its complex syntax. It is easy to learn because it does not follow any programming rules. It follows indentation rules, which are very similar to English.
It does not include a garbage collector. It includes a garbage collector.
It is a precompiled programming language that does not require an interpreter during compilation. It is an interpreted programming language that requires an interpreter to run the program.
It is a statically typed programming language. It is a dynamically typed programming language.
Variables are declared by declaring the type of the variable. It does not require variable declaration.
Functions accept values as parameters and return value types depending on the function’s definition. Functions have no restrictions on parameter types and return types.
Installation is easy. Installing Python on Windows is not easy.
Variables inside loops are not accessible outside the loop. Variables inside loops can also be accessed outside the loop.
It has more lines of code compared to Python. It has fewer lines of code compared to C++.
Supports procedural and object-oriented programming. Supports procedural, object-oriented, and functional programming.
Contains 52 keywords. Contains 33 keywords.
In C++, programmers need to manually allocate new variables, and release them when they are no longer needed. Python handles allocation automatically.

C++ Tutorial - Detailed Explanation of Differences Between C++ and Python



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