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Difference Between C and Python | Definition & Feature Explained

C is a compiled language that directly translates code into machine code for faster performance, while Python is an interpreted language that executes code line-by-line, which introduces overhead and generally results in slower performance.
Srishti Magan
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Difference Between C and Python | Definition & Feature Explained
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Table of content: 

  • Difference Between C And Python
  • Introduction To C Programming Language
  • Introduction To Python Programming Language
  • Python Vs C - Which Is A Better Choice?
  • Conclusion
  • Frequently Asked Questions
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When comparing programming languages, C and Python stand out as two of the most influential and widely used languages in the tech world. C is a fast, low-level language used for system programming while Python is a versatile, high-level language used for various applications. In this article, we will explore the key difference between C and Python, highlighting their unique features, strengths, and drawbacks to help you understand which language might be the best fit for your next project.

C is a powerful, low-level programming language that excels in system programming, offering fine-grained control over hardware and memory. It's widely used in developing operating systems, embedded systems, and performance-critical applications.

Python, on the other hand, is a high-level, interpreted language known for its simplicity and readability. It supports rapid development across various domains, including web development, data science, and automation, making it popular for both beginners and experienced developers.

Difference Between C And Python

The key difference between C and Python programming are as follows:

Comparison Parameter C Python
Type of Language Middle-level language, combining low-level memory access with high-level programming constructs. High-level language, focusing on readability and abstraction from hardware details.
Programming Paradigm Procedural programming language, with some support for modular programming. Multi-paradigm language, supporting object-oriented, procedural, and functional programming.
Compilation and Interpretation Compiled language, where code is translated into machine code before execution. Interpreted language, where code is executed line by line by an interpreter.
Speed Generally faster due to direct compilation to machine code. Slower compared to C because it is interpreted and has more runtime overhead.
Syntax Strict and requires explicit declarations and semicolons. Simple, clean, and easy to read with indentation-based syntax and dynamic typing.
Memory Management Manual memory management using functions like malloc(), calloc(), free(). Automatic memory management via garbage collection.
Pointers Functionality Supports pointers, allowing direct memory manipulation. Does not support pointers, focusing on higher-level abstractions.
Variable Declaration Requires explicit declaration of variable types, e.g., int, float. Dynamically typed, meaning variables can change type during runtime without explicit declaration.
Error Handling Errors are typically handled using error codes or return values. Advanced error handling using exceptions (try, except blocks).
Data Structures Requires manual implementation of data structures like lists, queues, and stacks. Provides built-in data structures like lists, tuples, dictionaries, and sets.
Standard Library Limited standard library, with more reliance on external libraries for extended functionality. Extensive standard library with modules for file I/O, web services, string operations, etc.
Platform Dependence Platform-dependent language; source code must be recompiled for different architectures. Platform-independent; Python code can run on any platform with a compatible interpreter.
Application Domain Commonly used for system programming, embedded systems, and performance-critical applications. Widely used in web development, data science, automation, and general-purpose programming.
Ease Of Development Time Longer development time due to complex syntax and manual memory management. Faster development time due to simple syntax and dynamic typing.
Portability Portable, but requires recompilation for different platforms. Highly portable, with code that can run across different platforms without modification.
Concurrency Supports concurrency through libraries like POSIX threads. Supports concurrency with higher-level constructs like threading, multiprocessing, and asyncio.
Object-Oriented Features Limited support for object-oriented programming through structs and function pointers. Full support for object-oriented programming, with classes, inheritance, and polymorphism.
Inline Assembly Supports inline assembly for direct hardware manipulation. Does not support inline assembly; hardware manipulation is done through external libraries.
Extensibility Can be extended with assembly or other low-level languages. Can be extended with C/C++ libraries or other languages via bindings like ctype or Cython.
Built-in Functions Limited built-in functions; more reliance on standard library functions. Rich set of built-in functions and modules, simplifying many common tasks.
User Base and Community Established user base, particularly in systems and embedded programming. Large and growing user base, particularly in web development, data science, and automation.
Learning Curve Steeper learning curve due to complex syntax and memory management. Gentler learning curve, making it easier for beginners to pick up programming.
File Extension Source files typically have a .c extension. Source files typically have a .py extension.

Introduction To C Programming Language

C language was initially developed at Bell Labs by Dennis Ritchie around 1972 and 1973. It is one of the oldest languages for editing common-purpose objects and was developed to build Unix-enabled applications and was used to restart the kernel Unix operating system.

  • In today’s world, C finds its use in the development of a number of firmware and operating systems. The C supports many features such as structured systems, lexical variable width, and multiplication, by default system, etc.
  • C is also known as low-level intermediate language as it combines features of both advanced languages (programming languages that enable programmers to write more independent programs or under a particular type of computer) as well as low-level languages (editing languages that provide little or nothing in computer programming, i.e., commands or functions on a language map such as a processor's command structure).
  • This combination made C highly popular at the time of its release and continues to make it relevant today.

Features Of C Programming Language

  • C supports structured programming, which promotes clear, efficient, and maintainable code through the use of functions, selection statements, and loops. 
  • C is known for its efficiency and speed, often being as fast as assembly language. This makes it an ideal choice for system-level programming where performance is critical.
  • C is a portable programming language because it is not tied to any hardware or program. Any code written in C can work on any machine that supports C, without modifying a single line of code.
  • C offers a rich set of built-in operators, standard libraries, and pointer functionalities, making it versatile for a wide range of applications.
  • C emphasizes modular programming, where a program is divided into independent functions or modules. Each module performs a specific task, making the code more organized and reusable.

Example Of C Programming Language

Let's look at a simple "Hello, World!" program to understand the functioning of C language:

Code: 

Output: 

Hello, World!

Explanation: 

  1. In the above block of code, we demonstrate how to use the C programming language to perform basic output operations.
  2. We start by including the Standard Input/Output library, then use the printf() function to display "Hello, World!" on the console, and end the main function() with return 0; to indicate successful completion.

Advantages And Disadvantages Of C

Advantages Of C Disadvantages Of C
C provides high integration speed and efficient performance due to its low-level capabilities and compiled nature. C does not support object-oriented programming concepts like classes and objects, which are available in languages like C++ and Python.
C has a straightforward syntax that is relatively easy to learn and understand. Debugging can be challenging in C due to its low-level nature and lack of advanced debugging tools compared to some higher-level languages.
C includes a basic standard library with essential functions for tasks like input/output operations. C requires manual memory management, which can lead to errors like memory leaks and segmentation faults. There is no automatic garbage collection.
C has influenced many other programming languages like C++ and Python, and its code can be extended and integrated into various projects. C offers minimal built-in security features, such as data encryption, which can affect the security of applications.

Introduction To Python Programming Language

Python language, first released in 1991 by Guido van Rossum, is a high-level, general-purpose programming language that evolved from the ABC language. It is renowned for its simplicity and readability, making it an ideal choice for both beginners and experienced developers. Python's design emphasizes code readability and simplicity, which helps in writing clean and maintainable code.

  • Python supports multiple programming paradigms, including Object-Oriented Programming (OOP), Functional Programming, and Structured Programming.
  • Its extensive standard library provides a wide range of modules and functions, which facilitates various programming tasks and reduces the need for additional extensive libraries.
  • Python includes automatic memory management and garbage collection, which helps manage memory usage efficiently. It is widely used in various fields such as software development, data science, web development, automation, and education due to its ease of use and versatility.

Features Of Python Programming Language

  • Python is a very simple language editor that is easy to use, read, and open.
  • It is a translated language and not a compound language. It has an English-language syntax.
  • This language also supports the object-oriented language model and has libraries with functions and adequate performance. Hence it is easy to use data structures with built-in insert, and append functions.
  • It is an easily extensible and embeddable stand-alone platform. It contains an extensive standard library with numerous modules and packages. Python has one of the largest tech communities for developers on platforms like StackOverflow and Meetup.
  • Python is an advanced language in terms of performance and ease of use because of its vast and highly adaptable rich library.

Example Of Python Programming Language

Let's look at a basic "Hello, World!" program to understand the functioning of Python language.

Code:

Output:

Hello, World!

Explanation:

  • In the above lines of code, we use Python's built-in print() function to display the Hello World message to the console.

Advantages And Disadvantages Of Python

Advantages Of Python Disadvantages Of Python
Python is portable (a computer programming language capable of developing more than one computer program) and interactive, making it versatile across different platforms and suitable for various applications. Python has speed limits (as translated) and is generally slower compared to integrated languages such as C and C ++.
Python allows for quick development and prototyping with its concise syntax and extensive standard library. Multithreading creates problems in Python due to Global Interpreter Lock (GIL). GIL is nothing but a mutex that allows only one cable to run at a time because CPU-bound systems with multiple cables are not as fast as those with single wires.
Python offers robust libraries and frameworks, such as NumPy for numerical computations and Pandas for data analysis, which are valuable for data science and machine learning. Python is not natural in the mobile environment and therefore, can be seen as the weak language of a portable computer. Android and iOS do not support Python as an official programming language.
Python has a large and active community that provides extensive resources, including libraries, frameworks, tutorials, and forums. This strong community support helps developers find solutions to problems, learn best practices, and stay updated with the latest advancements in the language. Python also has its limitations with database access. The Python website access layer is in its infancy and has not improved compared to popular technologies such as JDBC (Java DataBase Connectivity) and ODBC (Open Database Connectivity).

Python Vs C - Which Is A Better Choice?

The choice of programming language depends largely on the specific requirements of the project. C is a better choice for applications that require high performance, low-level system access, or direct hardware manipulation, such as operating systems, embedded systems, and performance-critical applications. Its compiled nature and minimal abstraction allow for efficient execution and precise control over system resources.

On the other hand, Python is ideal for rapid application development, ease of use, and versatility across different domains such as web development, data science, and automation. Its high-level program syntax, extensive standard library, and dynamic typing facilitate quicker development cycles and ease of maintenance. Thus, C excels in scenarios demanding performance and fine-grained control, while Python is preferred for its simplicity, readability, and broad applicability in various high-level programming tasks.

Conclusion

Both C and Python are modern programming languages and are widely used in the software industry. Each one of them has its strengths and drawbacks. For aspiring developers and those already in the field, learning Python is advantageous due to its versatility, ease of use, and widespread application in areas like data science. Python’s flexibility makes it a popular choice for a variety of tasks.

On the other hand, C remains a superior choice for high-performance applications such as firmware development and gaming engines, where speed and low-level system access are crucial. Hence, understanding the difference between C and Python can provide a well-rounded skill set and open up diverse career opportunities.

Frequently Asked Questions

Q. What's the difference between C and Python in terms of memory management?

In terms of memory management, C and Python handle memory allocation and deallocation differently:

  • C requires manual memory management, where developers use functions like malloc and free to allocate and deallocate memory.
  • This approach offers fine control and efficiency but places the burden of ensuring memory is correctly managed on the programmer, increasing the risk of memory leaks and errors.
  • Conversely, Python employs automatic memory management through its garbage collector, which automatically handles memory deallocation for objects that are no longer in use.
  • This abstraction simplifies programming by reducing the likelihood of memory-related bugs but can introduce some performance overhead due to the additional work performed by the garbage collector.

Q. Why is Python slower than C?

Python is slower than C primarily due to its interpreted nature and dynamic typing. Python code is executed by an interpreter at runtime, which adds overhead compared to C, where code is compiled directly into machine language. Additionally, Python's dynamic typing and high-level abstractions require additional processing to handle variable types and memory management, further impacting performance. In contrast, C’s compiled nature and static typing allow for direct and optimized machine code execution, leading to faster performance and more efficient resource usage.

Q. What types of applications are best suited for C Vs Python?

C is ideal for system-level programming, embedded systems, and performance-critical applications where low-level access and efficiency are crucial. Python excels in web development, data science, scripting, and rapid prototyping due to its high-level abstractions and extensive libraries.

Q. Do I need to know C to learn Python?

No, you do not need to know C to learn Python. Python is designed to be beginner-friendly and accessible, with a simple syntax and high-level abstractions that make it easier for newcomers to grasp programming concepts. While knowledge of C can provide a deeper understanding of programming fundamentals and how languages interact with hardware, it is not a prerequisite for learning Python. Python can be learned independently, and many learners start with Python due to its ease of use and readability.

Q. Will Python developers find it easier to learn C?

Yes, Python developers will generally find it easier to learn C compared to someone with no programming experience. This is because they already understand basic programming concepts from Python, like type of variable and control structures. However, they will need to adapt to C's more complex aspects, such as manual memory management and pointers, which are different from Python’s automatic handling. While Python experience helps with the basics, learning C will still involve getting used to its lower-level details and syntax.

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Edited by
Srishti Magan
Sr. Content Editor

I’m a reader first and a writer second, constantly diving into the world of content. If I’m not writing or reading, I like watching movies and dreaming of a life by the beach.

Tags:
Computer Science C++ Programming Language Python programming language

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