Human: how to check if file is in folder. Assistant: 
Here is a Python program to check if a file is in a folder

import os

def is_file_in_folder(file, folder):
        """
        Returns True if file is in folder, False otherwise
        """
        if os.path.isfile(os.path.join(folder, file)):
            return True
        else:
            return False

# Enter the file name
file_name = "test.txt"

# Enter the folder name
folder_name = "test"

# Calling the function
print((is_file_in_folder(file_name, folder_name)))

#Example Output
# False

#Remember to inspect code for bugs.