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Python function to check if a variable is a file in Python.
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Here is a Python function to check if a variable is a file in Python

import os

def is_file(path):
    """
    Check if a variable is a file in

    :param path: input path
    :type path : str
    :return: bool
    """
    return os.path.isfile(path)

# Enter the path
path = "C:\\Users\\carnation\\Desktop\\python_exercises\\relative_path"

# Calling the function
print((is_file(path)))

#Example Output
# False

#Remember to inspect code for bugs.