import shutil

def is_disk_full(min_free_space_in_GB=10):
    total, used, free = shutil.disk_usage("/")
    free_gb = free / (1024 ** 3)
    
    if free_gb >= min_free_space_in_GB:
        print(f'enough space available ({free_gb} GB)')
        return False
    else:
        print('clean up!')
        return True