A python script for learning German's die Wörter

data.json

[
    {
        "art": "der", 
        "de": "Apfel", 
        "errors": 0, 
        "first": 0, 
        "it": "la mela"
    }, 
    {
        "art": "die", 
        "de": "T\u00fcr", 
        "errors": 0, 
        "first": 0, 
        "it": "la porta"
    }, 
    {
        "art": "die", 
        "de": "Wurst", 
        "errors": 0, 
        "first": 0, 
        "it": "la salsiccia"
    }, 
    {
        "art": "das", 
        "de": "Bild", 
        "errors": 0, 
        "first": 0, 
        "it": "il quadro"
    }, 
    {
        "art": "der", 
        "de": "Boden", 
        "errors": 0, 
        "first": 0, 
        "it": "il pavimento"
    }, 
    {
        "art": "der", 
        "de": "Stuhl", 
        "errors": 0, 
        "first": 0, 
        "it": "la sedia"
    }, 
    {
        "art": "die", 
        "de": "Tasche", 
        "errors": 0, 
        "first": 0, 
        "it": "la tasca"
    }, 
    {
        "art": "die", 
        "de": "Tasche", 
        "errors": 0, 
        "first": 0, 
        "it": "la borsa"
    }, 
    {
        "art": "das", 
        "de": "Buch", 
        "errors": 0, 
        "first": 0, 
        "it": "il libro"
    }, 
    {
        "art": "der", 
        "de": "Buchstabe", 
        "errors": 0, 
        "first": 0, 
        "it": "la lettera"
    }, 
    {
        "art": "der", 
        "de": "Tisch", 
        "errors": 0, 
        "first": 0, 
        "it": "il tavolo"
    }, 
    {
        "art": "das", 
        "de": "Fenster", 
        "errors": 0, 
        "first": 0, 
        "it": "la finestra"
    }, 
    {
        "art": "die", 
        "de": "Antwort", 
        "errors": 0, 
        "first": 0, 
        "it": "la risposta"
    }, 
    {
        "art": "der", 
        "de": "Wasserkocher", 
        "errors": 0, 
        "first": 0, 
        "it": "il bollitore"
    }, 
    {
        "art": "der", 
        "de": "Herd", 
        "errors": 0, 
        "first": 0, 
        "it": "i fornelli/la cucina"
    }, 
    {
        "art": "der", 
        "de": "Bleistift", 
        "errors": 0, 
        "first": 0, 
        "it": "la matita"
    }, 
    {
        "art": "der", 
        "de": "Kuli", 
        "errors": 0, 
        "first": 0, 
        "it": "la penna"
    }, 
    {
        "art": "der", 
        "de": "Drucker", 
        "errors": 0, 
        "first": 0, 
        "it": "la stampante"
    }, 
    {
        "art": "der", 
        "de": "Fr\u00fchling", 
        "errors": 0, 
        "first": 0, 
        "it": "la primavera"
    }
]

vocabulary.py

#This program is free software: you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation, either version 3 of the License, or
#(at your option) any later version.
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.
#You should have received a copy of the GNU General Public License
#along with this program.  If not, see <http://www.gnu.org/licenses/>.

import json
import calendar
import random
import datetime
import time
import sys
import traceback
import copy

# Loading data
data = json.load(open('data.json'))
indices = range(len(data))
random.seed(datetime.datetime.now())
frage = []

def turn():
	global frage 
	if (len(frage)==0):
		sort()
		let = copy.copy(indices)
		random.shuffle(let)
		frage = let[0:9]
	return frage.pop()

def now():
	return calendar.timegm(time.gmtime())

def comparator(x,y):
	xl = (now()-data[x]["first"])
	yl = (now()-data[y]["first"])
	if (xl == yl):
		return cmp(data[x]["errors"],data[y]["errors"])
	else:
		return cmp(xl,yl)

# Sorting by errors
def sort():
	sorted(indices,cmp=comparator, reverse=True)

def update_with_answer(i,correct):
	if not correct:
		data[i]["first"] = now()
		data[i]["errors"] += 1
	else:
		if (data[i]["errors"]>0):
			data[i]["errors"] -= 1
			data[i]["first"] = now()
		
def close_and_save():
	json.dump(data, open('data.json', 'w'), sort_keys=True, indent=4)
	sys.exit(0)

print("Write :q to quit")
while True:
	i = turn()
	current = data[i]
	print(current["it"])
	answer = raw_input().decode('utf-8')
	if (answer == ":q"):
		close_and_save()
	else:
		test = (answer == (current["art"]+u" "+current["de"]))
		if test:
			print("Ok!")
		else:
			print(u"Errore: la risposta corretta era \""+(current["art"]+u" "+current["de"])+u"\"")
		update_with_answer(i,test)