掷骰子——柱状图

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跟着书做的通过随机模拟骰子的掷点情况通过第三方库画成柱形图输出到.svg文件

---Python语言实现

---pygal第三方库

---实现了：

------------- 1.单个六面骰子掷点

------------- 2.两个六面骰子掷点

------------- 1.单个六面骰子+单个十面骰子掷点

die.py

from random import randintclass Die():"""docstring for Die"""def __init__(self,num_sides=6):self.num_sides = num_sidesdef roll(self):return randint(1,self.num_sides)

die_visual.py

from die import Dieimport pygaldie = Die()results = []for roll_num in range(1000):result = die.roll()results.append(result)frequencies = []for value in range(1,die.num_sides+1):frequencie = results.count(value)frequencies.append(frequencie)hist = pygal.Bar()hist.title = "results of D"+str(die.num_sides)+" 1000 times"hist.x_labels = [str(x) for x in range(1,6+1)]hist.x_title = "result"hist.y_title = "frequency of result"hist.add("D6",frequencies)hist.render_to_file("die_visual.svg")#print(frequencies)

dice_vision.py

import pygalfrom die import Diedie_1 = Die()die_2 = Die()results = []for roll_number in range(1000):result_1 = die_1.roll()result_2 = die_2.roll()result_sum = result_1+result_2results.append(result_sum)frequencies = []for value in range(1,die_1.num_sides+die_2.num_sides):frequency = results.count(value)frequencies.append(frequency)hist = pygal.Bar()hist.title = ("results of two D"+str(die_1.num_sides)+" 1000 times")hist.x_labels = [str(x) for x in range(1,die_1.num_sides+die_2.num_sides+1)]hist.x_title = "result"hist.y_title = "frequency of result"hist.add("D12",frequencies)hist.render_to_file("dice_visual.svg")

different_dice.py

import pygalfrom die import Diedie_1 = Die()die_2 = Die(10)results = []for roll_number in range(1000):result_1 = die_1.roll()result_2 = die_2.roll()result_sum = result_1+result_2results.append(result_sum)frequencies = []for value in range(1,die_1.num_sides+die_2.num_sides):frequency = results.count(value)frequencies.append(frequency)hist = pygal.Bar()hist.title = ("results of  D"+str(die_1.num_sides)+" and D"+str(die_2.num_sides)+" 1000 times")hist.x_labels = [str(x) for x in range(1,die_1.num_sides+die_2.num_sides+1)]hist.x_title = "result"hist.y_title = "frequency of result"hist.add("D6 + D10",frequencies)hist.render_to_file("different_dice.svg")

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