human
I wrote the below code

    def escape(s):
        'Espace    one    part    of    category    path.'
        return s.replace('\\', '\\\\').replace('/', '\\/')
    return '/'.join([escape(p) for p in category_path])

What's a good function header?
 ... Here's a good function header?
assistant
#Here's a good function header.

def join_hierarchical_category_path(category_path):