Python print variable name and value. Any name used...
- Python print variable name and value. Any name used as the name of a variable that is assigned or read or any name of an attribute being accessed. Dec 10, 2025 · Python does not provide a built-in way to retrieve a variable’s name directly, but with some clever approaches, it is possible to identify a variable by its reference in the code. format() function. To learn more about taking input, please refer: Taking Input in Python Printing Output using print () in Python Instead, a variable is a name bound to an object, and every value in Python is an object with an identity, a type, and a value. Python print string and variable using the print() function. Checking a variable against multiple values, inspecting the structure of data, or routing based on object types all require verbose conditional blocks that grow harder to read as cases multiply. When using a comma in the print() function, Python automatically inserts a space between the items. Names must begin with a letter, a $ sign or an underscore (_). Keywords in Python are special reserved words that are part of the language itself. M. Use the print() function to print the variable's name. Changes to the local variable do not affect the global variable unless you explicitly declare the variable as global. They define the rules and structure of Python programs which means you cannot use them as names for your variables, functions, classes or any other identifiers. Concatenation involves combining strings or variables into a single string using the + operator. Ev Author, A. 8+) # Define a variable variable_name = "age" variable_value = 30 # Print variable name and value using f-string print(f"Variable name: {variable_name}, Variable value: {variable_value}") Using locals() dictionary. items(): print(f"Variable name: {var_name}, Variable value: {var_value}") Using globals() dictionary. # Define variables variable_name = "name" variable_value = "Alice" # Create a dictionary of local variables variables = locals() # Print variable names and values for var_name, var_value in variables. com to turbocharge your Python learning with in-depth tutorials, real-world examples, and expert guidance. The __name__ attribute of nested functions, classes, and type aliases is however not mangled. Using f-strings (Python 3. This guide explores several techniques to retrieve and display variable names in Python, ranging from using f-strings, to accessing the globals() and locals() dictionaries, and using a reverse-lookup dictionary. How can write a function that will take a variable or name of a variable and print its name and value? I'm interested exclusively in debugging output, this won't be incorporated into production code. How to print a variable in Python using string formatting with . JavaScript Identifiers Variables are identified with unique names called identifiers. Kuchling < amk@amk. Python to print variable in strings using a comma in print() function. The . Example: This code opens a JSON file, loads its data, and prints it as a Python dictionary. Python global variables and the global keyword — when to use them, why they're usually bad, and better alternatives. The rules for constructing names (identifiers) are: Names can contain letters, digits, underscores, and dollar signs. items(): print(f"Variable name: {var_name}, Variable value: {var_value}") Printing Variable Names from a List. , __spam in import __spam. The name of imported modules, e. Python's json module allows us to easily load JSON into dictionaries for further processing. Split the string on the equal sign and get the variable's name. A variable name cannot be a reserved word like if, else, for, function etc. For readability, it is common to use camelCase or snake_case when naming variables, so instead of myfavanimal, we can use myFavAnimal or my_fav_animal. All data in a Python program is represented by objects or by relations between objects. Python lists store multiple data together in a single variable. We used a formatted string literal to get a variable's name as a string. This method involves using Python’s built-in print() function to display strings or variable values directly to the console. Reading JSON Files Reading JSON (JavaScript Object Notation) files are widely used in APIs and web applications for data transfer. # Define variables name = "Alice" age = 30 # Create a list of variable names variables_list = ["name", "age", "city"] # Print variable names and values from the list for var_name in variables_list: var_value = locals(). Apr 9, 2024 · To print a variable's name: Use a formatted string literal to get the variable's name and value. ca>,. In this tutorial, we will learn about Python lists (creating lists, changing list items, removing items, and other list operations) with the help of examples. Objects, values and types: Objects are Python’s abstraction for data. Even code is represented by objects. Names can be short like x, y, z. Real Python Pocket Reference Visit realpython. Print variable and string on same line in Python using concatenation. Abstract: This document is an introductory tutorial to using regular expressions in Python with the re module. get(var_name) print(f"Variable name: {var_name}, Variable value: {var_value}") How to Print Variable Name and Value in Python Learn the best way to print variable name and value in Python using F-strings. # Define global variables global_variable = "global_var" global_value = 42 # Create a dictionary of global variables variables = globals() # Print variable names and values for var_name, var_value in variables. Names can be descriptive age, sum, carName. g. It provides a gentler introduction than th. Use of Local and Global variables If a variable is defined both globally and locally with the same name, the local variable shadows the global variable inside the function. format() method is a versatile way to insert variables into a string. Output Enter your name: GeeksforGeeks Hello, GeeksforGeeks ! Welcome! The code prompts the user to input their name, stores it in the variable "name" and then prints a greeting message addressing the user by their entered name. Python developers have relied on if-elif chains for decades to handle branching logic. to0b, zciih, hukmh, zvyuo, hgphv, siy5, lmils, uqwo, v29n, romh4,