Python学习笔记第19天

谏言：穷则独善其身，达则兼济天下

# 绘制直方图
# die.py
import pygal
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
# from die import Die
die=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.roll()
    results.append(result)
frequencies=[]
# 分析结果可视化
frequencies=[]
for value in range(1,die.num_sides+1):
    frequency= results.count(value)
    frequencies.append(frequency)

# 对结果进行可视化
hist =pygal.Bar()
hist.title = "投掷骰子每个点出现的次数"
hist.x_labels=['1','2','3','4','5','6']
hist.x_title = "Result"
hist.y_title = "Frequencies of Result"

hist.add('D06',frequencies)
hist.render_to_file('die_visual.svg')

import pygal
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
# from die import Die
# 创建两个D6骰子
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)
frequencies=[]
# 分析结果
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)

# 对结果进行可视化
hist =pygal.Bar()
hist.title = "投掷两个骰子之和每个点出现的次数"
hist.x_labels=['2','3','4','5','6','7','8','9','10','11','12']
hist.x_title = "Result"
hist.y_title = "Frequencies of Result"

hist.add('D6+D6',frequencies)
hist.render_to_file('die_visual_2.svg')

import pygal
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
# from die import Die
# 创建一个D6骰子和一个D10
die_1=Die()
die_2=Die(10)
# 掷几次骰子，并将结果存储在一个列表中
results=[]
for roll_num in range(50000):
    result =die_1.roll()+die_2.roll()
    results.append(result)
frequencies=[]
# 分析结果
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)

# 对结果进行可视化
hist =pygal.Bar()
hist.title = "投掷一个6面骰子和一个10面骰子50000次之和每个点出现的次数"
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 = "Frequencies of Result"

hist.add('D6+D10',frequencies)
hist.render_to_file('die_visual_3.svg')