Преобразование Dict в String

import string
import sys
import re
from math import pow
from xml.dom import minidom
import json
__version__ = "0.3.8"
 
try:
    # Python 3 imports
    from urllib.request import urlopen
    from urllib.parse import quote
    from urllib.parse import urlencode
    from urllib.error import URLError
    # needed for code to work on Python3
    xrange = range
    unicode = str
except ImportError:
    # Python 2 imports
    from urllib2 import urlopen
    from urllib import quote
    from urllib import urlencode
    from urllib2 import URLError
 
 
try:
    from unidecode import unidecode
except ImportError:
    pass
 
 
NOAA_WEATHER_URL     = 'http://www.weather.gov/xml/current_obs/%s.xml'
 
 
 
 
 
class WindUnits:
    """Class for available wind unit systems"""
    MPS = 1
    MPH = 2
    BEAUFORT = 3
    KPH = 4
    KNOTS = 5
 
 
 
def get_weather_from_noaa(station_id):
 
    station_id = quote(station_id)
    url = NOAA_WEATHER_URL % (station_id)
    try:
        handler = urlopen(url)
    except URLError:
        return {'error': 'Could not connect to NOAA'}
    if sys.version > '3':
        # Python 3
        content_type = dict(handler.getheaders())['Content-Type']
    else:
        # Python 2
        content_type = handler.info().dict['content-type']
    try:
        charset = re.search('charset\=(.*)', content_type).group(1)
    except AttributeError:
        charset = 'utf-8'
    if charset.lower() != 'utf-8':
        xml_response = handler.read().decode(charset).encode('utf-8')
    else:
        xml_response = handler.read()
    dom = minidom.parseString(xml_response)
    handler.close()
 
    data_structure = (
                'temp_c',
 )
    weather_data = {}
    current_observation = dom.getElementsByTagName('current_observation')[0]
    for tag in data_structure:
        try:
            weather_data[tag] = current_observation.getElementsByTagName(
                tag)[0].firstChild.data
        except IndexError:
            pass
 
    dom.unlink()
    return weather_data
 
result = get_weather_from_noaa('KJFK')

>>> a = {'hello': '1', 'by': '2'}
>>> str(a).upper()
"{'BY': '2', 'HELLO': '1'}"

result = str(get_weather_from_noaa('KJFK'))
print(result + result)

tresult=atr(a).upper()
#потом уже складывать tresult

result_json = json.dumps(result)