Python is a popular programming language used in many applications. This article will discuss the differences between local and global variables in Python. Local variables are declared within a function, while global variables can be accessed anywhere in the program. We'll explore how these two variable types differ and when to use each one.
About Difference Between Local And Global Variable In Python
Local Variables | Global Variables |
---|---|
Defined within a function or class | Defined outside of any function or class |
Only accessible within the scope it is defined | Accessible from anywhere in the program |
Cannot be modified by external code | Can be modified by external code |
Lifetime limited to duration of function call | Exists until program terminates |
Value not shared between functions | Value shared across all functions |
Usually used for temporary storage | Used for permanent storage |
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