Python locals() function

The locals() function in Python is used to get the current local symbol table in the form of a dictionary. For example:


The above program produces output that looks like:

{'__name__': '__main__', '__doc__': None, '__package__': None, '__loader__': <_frozen_importlib_external.SourceFileLoader object at 0x000001CFA47A6D00>, '__spec__': None, '__annotations__': {}, '__builtins__': <module 'builtins' (built-in)>, '__file__': 'C:\\Users\\DEV\\\\', '__cached__': None}

Now, if you execute the following code:

v = locals()

then the output should be:

<class 'dict'>

means that the function locals() returns a dict-type object.

Python locals() function syntax

The syntax of the locals() function in Python is:


Python locals() function example

Here is an example of the locals() function in Python. This program prints the name of the current Python program's source code file along with the complete directory:

x = locals()
print("This program's source code file with directory:")

The snapshot given below shows the sample output produced by this program, demonstrating the locals() function:

python locals function

That is, the above Python program file is saved inside the directory C:\Users\DEV\\ with its name as codescracker.txt. But in your case, the output may be different if you have a different file name and/or directory.

Advantages of the locals() function in Python

Disadvantages of the locals() function in Python

Python Online Test

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