Python:dictionary

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# Python3.4 Eclipse+PyDev  打开Eclipse，找到Help菜单栏，进入Install New Software…选项。 # 点击work with:输入框的旁边点击Add…，Name可以随便是什么，我输入的是PyDev，Location是http://pydev.org/updates。点击OK。 import json import os import nltk import collections import heapq import operator import itertools         sent=["In","the","beginning","God","created"]; wo=nltk.bigrams(sent); for w in wo:     print(w);   #字典      geovindu 塗聚文 prices={"ACME":45.23,"APPLE":612.79,"IBM":205.55,"HP":37.20,"FB":10.67}; min_prices=min(zip(prices.values(),prices.keys())); max_prices=max(zip(prices.values(),prices.keys())); sort_prices=sorted(zip(prices.values(),prices.keys())); name_prices=min(prices,key=lambda k:prices[k]);   max_pricesstr=max(zip(prices.values(),prices.keys()));   print("最小值對應值："+name_prices);   for mi in min_prices:     print(mi)       #print(min_prices); #print(max_prices); #print(sort_prices);   print("排序："); for mis in sort_prices:     print(mis) print("最高股票："); for mix in max_prices:     print(mix)   #字典中查相同點 dirA={         "geovindu":32,         "塗聚文":28,         "江東":12,         "劉若英":40,         "english":22     }   dirB={        "涂聚文":28,        "江苏":32,        "刘若英":40,        "江東":12,        "geovindu":32,        "english":22           } dirkey=dirA.keys()&dirB.keys(); dirvalues=dirA.items()&dirB.items();   print("keys:") print(dirkey); print("values:") print(dirvalues)