Python:dictionary

# 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)

  

上一篇:JavaScript事件总结


下一篇:详解 Redis 应用场景及应用实例