#!/usr/bin/python3

# Copyright (C) 2014 Steve Litt, Expat license, http://directory.fsf.org/wiki/License:Expat

def counter_factory():
    count = 0
    def counter():
        nonlocal count
        count = count + 1
        return count
    return counter

partctr = counter_factory()
chapctr = counter_factory()
sectctr = counter_factory()

print('Part {}, Part one'.format(str(partctr())))
print('Chapter {}, Chapter one'.format(str(chapctr())))
print('Section {}, Section one'.format(str(sectctr())))
print('Section {}, Section two'.format(str(sectctr())))
print('Section {}, Section three'.format(str(sectctr())))
sectctr = counter_factory() ## Restart section count
print('Chapter {}, Chapter Two'.format(str(chapctr())))
print('Section {}, Section one'.format(str(sectctr())))
print('Part {}, Part two'.format(str(partctr())))
sectctr = counter_factory() ## Restart section count
print('Chapter {}, Chapter Three'.format(str(chapctr())))
print('Section {}, Section one'.format(str(sectctr())))

sectctr = counter_factory() ## Restart section count
print('Chapter {}, Chapter Four'.format(str(chapctr())))
print('Section {}, Section one'.format(str(sectctr())))
print('Section {}, Section one'.format(str(sectctr())))