Python 有权重的随机选择, Weighted Random Choice
import random def windex(lst):
'''an attempt to make a random.choose() function that makes weighted choices
accepts a list of tuples with the item and probability as a pair'''
wtotal = sum([x[1] for x in lst])
n = random.uniform(0, wtotal)
for item, weight in lst:
if n < weight:
break
n = n - weight
return item
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& ......
原帖:http://www.cnblogs.com/jingleguo/archive/2008/06/02/1211820.html
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from __future__ import division
from Tkinter import Tk, Entry, Button, Label, mainloop
from tkFont import Font
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v = ''
try:
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except:
pa ......