<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def makedirs(path):
 """ Make all of the directories in the ``path`` using `os.makedirs`. """

    if os.path.exists(path):
        if not os.path.isdir(path):
            # If it's not a directory, we can't do anything.
            # This is a problem
            raise RuntimeError('%s already exists and is not a directory.'
                               % path)
    else:
        os.makedirs(path)