Human: What is a good Python function to check if an object doesn't have an attribute variable. Assistant: 
Here is a Python function to check if an object doesn't have an attribute variable

import sys

def has_attr(obj, attr):
    """Checks if object has attribute.

    :param obj:
    :param attr:
    :rtype: bool
    :return:
    """
    return hasattr(obj, attr)

# Enter the function name
function_name = "memory_used"

# Calling the function
print((has_attr(function_name, "memory_used")))

#Example Output
# False

#Remember to inspect code for bugs.