Positional Arguments

Positional arguments are parameters in a function or command that are passed based on their order or position in the argument list, rather than by name. They are a fundamental concept in programming and scripting languages, where the values are assigned to parameters in the sequence they appear. This contrasts with keyword arguments, which are identified by parameter names.

Also known as: positional parameters, ordered arguments, unnamed arguments, args, pos args

Why learn Positional Arguments?

Developers should learn positional arguments because they are essential for writing and using functions, methods, and command-line tools across many programming languages like Python, Java, and C++. They are used in scenarios where the order of inputs is logical and fixed, such as mathematical operations (e.g., add(x, y)) or file operations (e.g., open(file, mode)). Understanding them helps in creating clear, efficient code and interacting with APIs or scripts that rely on positional parameters.

Learning Resources

• docs: Python Documentation: Defining Functions
• docs: MDN Web Docs: Functions
• tutorial: GeeksforGeeks: Positional vs Keyword Arguments in Python
• tutorial: Real Python: Python Args and Kwargs
• video: YouTube: Positional Arguments Explained