python可视化——使用pygal模拟掷骰子

#die.py
# coding=gbk
from random import randint
class Die():
    """表示一个骰子的类"""

    def __init__(self,num_sides=6):
        self.num_sides=num_sides

    def roll(self):
        """返回一个位于1和骰子面数之间的随机值"""
        return randint(1,self.num_sides)

#die_visual.py
#coding=gbk
from die import Die
import pygal

#创建一个两个D6骰子
die_1=Die()
die_2=Die(10)

#掷骰子多次，并将结果存储在一个列表中
results=[]
for roll_num in range(1000):
    result=die_1.roll()+die_2.roll()
    results.append(result)

#分析结果
frequencies=[]
max_result=die_1.num_sides+die_2.num_sides
for value in range(2,max_result):
    frequency=results.count(value)
    frequencies.append(frequency)

#可视化结果
hist=pygal.Bar()

hist.title="Results of rolling two D6 dice 1000 times."
hist.x_labels=['2','3','4','5','6','7','8','9','10','11','12','13','14','15','16']
hist.x_title="Result"
hist.y_title="Frequency of Result"

hist.add('D6+D10',frequencies)
hist.render_to_file('dice_visual.svg')