006 Python Cookbook 01-09 Finding Common

#/usr/bin/env python

# http://chimera.labs.oreilly.com/books/1230000000393/ch01.html#_finding_commonalities_in_two_dictionaries

dict_2014 = {     'Android'  : 61.9,     'iOS'      : 36.0,     'Microsoft': 2.1,     'Ubuntu'   : 0.1,     'Others'   : 0.1 } dict_2013 = {     'Android'  : 45.8,     'iOS'      : 52.8,     'Microsoft': 2.1,     'Firefox'  : 0.2,     'Others'   : 0.3 } list_2014 = dict_2014.keys() list_2013 = dict_2013.keys() print "list_2014 =", list_2014 print "list_2013 =", list_2013 print "dict_2014 =", dict_2014 print "dict_2013 =", dict_2013 print "----------" def get_Common_fron_List(lista, listb):     bufferr = []     for i in lista:         if i in listb:             bufferr.append(i)     return bufferr result = get_Common_fron_List(list_2014, list_2013) print "get_Common_fron_List =", result print "----------" def get_Diff_from_list(lista, listb):     bufferr = []     for i in lista:         if i not in listb:             bufferr.append(i)     for i in listb:         if i not in lista:             bufferr.append(i)     return bufferr result = get_Diff_from_list(list_2014, list_2013) print "get_Diff_from_list =", result print "----------" def get_Common_from_dict(dicta, dictb):     buffer = {}     for i in dicta.keys():         if dictb.has_key(i):             buffer[i] = dicta[i]     return buffer result = get_Common_from_dict(dict_2014, dict_2013) print "get_Common_from_dict = ", result print "----------" def get_Identical_from_dict(dicta, dictb):     buffer = {}     for i in dicta.keys():         if dictb.has_key(i) and dictb[i] == dicta[i]:             buffer[i] = dicta[i]     return buffer result = get_Identical_from_dict(dict_2014, dict_2013) print "get_Identical_from_dict = ", result print "----------"

list_2014 = ['Android', 'Others', 'iOS', 'Microsoft', 'Ubuntu'] list_2013 = ['Firefox', 'Android', 'iOS', 'Microsoft', 'Others'] dict_2014 = {'Android': 61.9, 'Others': 0.1, 'iOS': 36.0, 'Microsoft': 2.1, 'Ubuntu': 0.1} dict_2013 = {'Firefox': 0.2, 'Android': 45.8, 'iOS': 52.8, 'Microsoft': 2.1, 'Others': 0.3} ---------- get_Common_fron_List = ['Android', 'Others', 'iOS', 'Microsoft'] ---------- get_Diff_from_list = ['Ubuntu', 'Firefox'] ---------- get_Common_from_dict =  {'Android': 61.9, 'iOS': 36.0, 'Microsoft': 2.1, 'Others': 0.1} ---------- get_Identical_from_dict =  {'Microsoft': 2.1} ----------