script.py

import json
import fileinput
import urllib.request
import sys

key = ""
url = "https://dictionary.yandex.net/api/v1/dicservice.json/lookup?key=" + \
        key + \
        "&lang=en-ru&text="
count = 0
for word in fileinput.input():
    response = urllib.request.urlopen(url + word)
    data = json.loads(response.read().decode('utf-8'))
    meanings = []
    count += 1
    if len(data['def']) == 0:
        continue
    for array in data['def']:
        for translation in array['tr']:
            meanings.append(translation['text'])
    print(word.strip() + ' $ ' + ', '.join(meanings[:4]))
    if count % 50 == 0:
        print(str(count), file=sys.stderr)