How to use sys.argv in Python

To use `sys.argv` in Python, you first need to import the `sys` module. Then you can access the command-line arguments passed to the script as elements in the `sys.argv` list. …

How to get the value of the last expression usi…

To get the value of the last expression using `sys.last_value` in Python, you can use the following code: ``` import sys x = 5 y = 10 z = x + y # The value of z is 15 last_res…

How to set the maximum size of an object using …

`sys.setsizeof()` is not used to set the maximum size of an object in Python. Instead, it is used to return the size of an object in bytes. For example, to get the size of an inte…

How to display the reference count of an object…

To display the reference count of an object using `sys.getrefcount()` in Python, you can do the following: ``` import sys my_object = "Hello World" # create an object ref_co…

How to change the default encoding in Python?

In Python, the default encoding is the encoding used for strings and other text-based data types unless another encoding is explicitly specified. The default encoding can be chang…

How to exit a Python script using sys.exit()?

To exit a Python script using `sys.exit()`, you can simply call the `sys.exit()` function with an optional exit code as an argument. Here's an example: ``` import sys # Do som…