#userdict0cl.py
import json
class D():
	def __init__(self):
		self._items = {}
	def fill(self,a,b):		
		self.a = a
		self.b = b
		self._items[self.a]=self.b
	def printall(self):
		print(self._items)
		return self._items
	def write_items(self,filename):
		self._filename=filename
		with open(self._filename, 'a+') as f:
			json.dump(self._items, f)
			f.close()
	def print_json(self):
		with open(self._filename, 'rb') as f:
			fn = json.load(f)
			#fn.seek(0)
			print(fn)
			f.close()