Python编程:从入门到实践 - pygal篇 - Die
掷骰子
# die.py 骰子类 from random import randint class Die(): """表示一个骰子的类""" def __init__(self, num_sides=6): """骰子默认为六面""" 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(整数)""" return randint(1, self.num_sides)
# die_visual.py 可视化骰子 import pygal from die import Die # 创建一个D6 die_1 = Die() die_2 = Die() # 掷几次骰子,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+1): frequency = results.count(value) frequencies.append(frequency) # 可视化结果 hist = pygal.Bar() # 创建pygal.Bar()实例以创建条形图 hist.title = 'Results of rolling two D6 1000 times.' hist.x_labels = [str(x) for x in range(2, 13)] hist.x_title = 'Result' hist.y_title = 'Frequency of Result' hist.add('D6 + D6', frequencies) # add(label, [values]) hist.render_to_file('die_visual_double.svg')
Resistance is Futile!