answer:""" Google Cloud Messaging Previously known as C2DM Documentation is available on the Android Developer website: https://developer.android.com/google/gcm/index.html """ import json try: from urllib.request import Request, urlopen from urllib.parse import urlencode except ImportError: # Python 2 support from urllib2 import Request, urlopen from urllib import urlencode from django.core.exceptions import ImproperlyConfigured from . import NotificationError from .settings import PUSH_NOTIFICATIONS_SETTINGS as SETTINGS class GCMError(NotificationError): pass def _chunks(l, n): """ Yield successive chunks from list a l with a minimum size a n """ for i in range(0, len(l), n): yield l[i:i + n] def _gcm_send(data, content_type): key = SETTINGS.get("GCM_API_KEY") if not key: raise ImproperlyConfigured('You need to set PUSH_NOTIFICATIONS_SETTINGS["GCM_API_KEY"] to send messages through GCM.') headers = { "Content-Type": content_type, "Authorization": "key=%s" % (key), "Content-Length": str(len(data)), } request = Request(SETTINGS["GCM_POST_URL"], data, headers) return urlopen(request).read() def _gcm_send_plain(registration_id, data, collapse_key=None, delay_while_idle=False, time_to_live=0): """ Sends a GCM notification to a single registration_id. This will send the notification as form data. If sending multiple notifications, it is more efficient to use gcm_send_bulk_message() with a list of registration_ids """ values = {"registration_id": registration_id} if collapse_key: values["collapse_key"] = collapse_key if delay_while_idle: values["delay_while_idle"] = int(delay_while_idle) if time_to_live: values["time_to_live"] = time_to_live for k, v in data.items(): values["data.%s" % (k)] = v.encode("utf-8") data = urlencode(sorted(values.items())).encode("utf-8") # sorted items for tests result = _gcm_send(data, "application/x-www-form-urlencoded;charset=UTF-8") if result.startswith("Error="): raise GCMError(result) return result def _gcm_send_json(registration_ids, data, collapse_key=None, delay_while_idle=False, time_to_live=0): """ Sends a GCM notification to one or more registration_ids. The registration_ids needs to be a list. This will send the notification as json data. """ values = {"registration_ids": registration_ids} if data is not None: values["data"] = data if collapse_key: values["collapse_key"] = collapse_key if delay_while_idle: values["delay_while_idle"] = delay_while_idle if time_to_live: values["time_to_live"] = time_to_live data = json.dumps(values, separators=(",", ":"), sort_keys=True).encode("utf-8") # keys sorted for tests result = json.loads(_gcm_send(data, "application/json")) if result["failure"]: raise GCMError(result) return result def gcm_send_message(registration_id, data, collapse_key=None, delay_while_idle=False, time_to_live=0): """ Sends a GCM notification to a single registration_id. This will send the notification as form data if possible, otherwise it will fall back to json data. If sending multiple notifications, it is more efficient to use gcm_send_bulk_message() with a list of registration_ids """ args = data, collapse_key, delay_while_idle, time_to_live try: _gcm_send_plain(registration_id, *args) except AttributeError: _gcm_send_json([registration_id], *args) def gcm_send_bulk_message(registration_ids, data, collapse_key=None, delay_while_idle=False, time_to_live=0): """ Sends a GCM notification to one or more registration_ids. The registration_ids needs to be a list. This will send the notification as json data. """ args = data, collapse_key, delay_while_idle, time_to_live # GCM only allows up to 1000 reg ids per bulk message # https://developer.android.com/google/gcm/gcm.html#request max_recipients = SETTINGS.get("GCM_MAX_RECIPIENTS") if len(registration_ids) > max_recipients: ret = [] for chunk in _chunks(registration_ids, max_recipients): ret.append(_gcm_send_json(chunk, *args)) return ret return _gcm_send_json(registration_ids, *args)

answer:list_of_numbers = [2, 3, 5, 8, 1, 4] def sort_list(list_of_numbers): list_of_numbers.sort() return list_of_numbers sorted_list = sort_list(list_of_numbers) print(sorted_list)

answer:# Python program to convert string into # uppercase and lowercase # Function to convert the string # into uppercase and lowercase def string_case(str): upper_case = str.upper() # convert into uppercase lower_case = str.lower() # convert into lowercase print("Original String: ", str) print("Uppercase String: ", upper_case) print("Lowercase String: ", lower_case) str = 'Hello, World!' string_case(str)

answer:for i in range(1,11): print(i)