|
马上注册,结交更多好友,享用更多功能^_^
您需要 登录 才可以下载或查看,没有账号?立即注册
x
本帖最后由 yesdo 于 2018-5-29 11:15 编辑
大家好,关于零基础课后作业-009》动手题003,三色球随机抽取,课后答案有些疑问
题目是 3个红球,3个黄球,6个绿球放进箱子,随机抽取8个,给出抽取的样本。
小甲鱼给出参考答案,是用3个for循环来实现,我认为这个思虑不妥,这个抽样并不是随机的,而是固定的值。
================老师的答案=======================
print('red\tyellow\tgreen')
for red in range(0, 4):
for yellow in range(0, 4):
for green in range(2, 7):
if red + yellow + green == 8:
# 注意,下边不是字符串拼接,因此不用“+”哦~
print(red, '\t', yellow, '\t', green)
=================我交的作业======================
import random
ballbox = ['redball','redball','redball','yellowball','yellowball','yellowball','greenball','greenball','greenball','greenball','greenball','greenball']
chooseballlist = []
ballcount = 11
for i in range(0,8,1):
randomnum = random.randint(0,ballcount)
ballcount-=1
chooseball = ballbox.pop(randomnum)
chooseballlist.append(chooseball)
print(chooseballlist) |
|