python学习的第三天

#import jieba

#1.读取小说内容

with open('./novel/threeekingdom.txt','r',encoding='utf-8') as f:

  words=f.read()

  counts={}


  #2.分词


python学习的第三天_第1张图片

#词语过滤,删除无关词,重复词

excludes = {"将军", "却说", "丞相", "二人", "不可", "荆州", "不能", "如此", "商议",

                "如何", "主公", "军士", "军马", "左右", "次日", "引兵", "大喜", "天下",

                "东吴", "于是", "今日", "不敢", "魏兵", "陛下", "都督", "人马", "不知"}

import jieba

# 1.读取小说内容


python学习的第三天_第2张图片


    # 2. 分词


    words_list = jieba.lcut(words)

    # print(words_list)

    for word in words_list:

        if len(word) <= 1:

            continue

        else:

            # 更新字典中的值

            # counts[word] = 取出字典中原来键对应的值 + 1

            # counts[word] = counts[word] + 1  # counts[word]如果没有就要报错

            # 字典。get(k) 如果字典中没有这个键 返回 NONE

            counts[word] = counts.get(word, 0) + 1

    print(len(counts))

    # 3. 词语过滤,删除无关词,重复词

    counts['孔明'] =  counts['孔明'] +  counts['孔明曰']

    counts['玄德'] = counts['玄德'] + counts['玄德曰'] +counts['刘备']

    counts['关公'] = counts['关公'] +counts['云长']

    for word in excludes:

        del counts[word]

    # 4.排序 [(), ()]

    items = list(counts.items())

    print(items)

    def sort_by_count(x):

        return x[1]

    items.sort(key=sort_by_count, reverse=True)

    for i in range(10):

        # 序列解包

        role, count = items[i]

        print(role, count)

    # 5得出结论

#lambda x1,x2....xn:表达式

sum_num=lambda x1,x2:x1+x2

print(sum_num(2,3))

#参数可以是无限多个,但是表达式只有一个

name_info_list=[

      ('张三',4500),

      ('李四',9900),

      ('王五',2000),

      ('赵六',5500),

]

name_info_list.sort(key=lambda x:x[1],reverse=True)

print(name_info_list)

stu_info=[

  {"name":'zhangsan',"age":18},

  {"name":'lisi',"age":30},

  {"name":'wangwu',"age":99},

  {"name":'zhaoliu',"age":3},

]

stu_info.sort(key=lambda i:i['age'])

import jieba

from wordcloud import WordCloud

# 1.读取小说内容

with open('./novel/threekingdom.txt', 'r', encoding='utf-8') as f:

    words = f.read()

    counts = {}  # {‘曹操’:234,‘回寨’:56}

    excludes = {"将军", "却说", "丞相", "二人", "不可", "荆州", "不能", "如此", "商议",

                "如何", "主公", "军士", "军马", "左右", "次日", "引兵", "大喜", "天下",

                "东吴", "于是", "今日", "不敢", "魏兵", "陛下", "都督", "人马", "不知",

                "孔明曰","玄德曰","刘备","云长"}

    # 2. 分词

    words_list = jieba.lcut(words)

    # print(words_list)

    for word in words_list:

        if len(word) <= 1:

            continue

        else:

            # 更新字典中的值

            # counts[word] = 取出字典中原来键对应的值 + 1

            # counts[word] = counts[word] + 1  # counts[word]如果没有就要报错

            # 字典。get(k) 如果字典中没有这个键 返回 NONE

            counts[word] = counts.get(word, 0) + 1

    print(len(counts))

    # 3. 词语过滤,删除无关词,重复词

    counts['孔明'] =  counts['孔明'] +  counts['孔明曰']

    counts['玄德'] = counts['玄德'] + counts['玄德曰'] +counts['刘备']

    counts['关公'] = counts['关公'] +counts['云长']

    for word in excludes:

        del counts[word]

    # 4.排序 [(), ()]

    items = list(counts.items())

    print(items)

    def sort_by_count(x):

        return x[1]

    items.sort(key=sort_by_count, reverse=True)

    li = []  # ['孔明', 孔明, 孔明,孔明...., '曹操'。。。。。]

    for i in range(10):

        # 序列解包

        role, count = items[i]

        print(role, count)

        # _ 是告诉看代码的人,循环里面不需要使用临时变量

        for _ in range(count):

            li.append(role)

    # 5得出结论

    text = ' '.join(li)

    WordCloud(

        font_path='msyh.ttc',

        background_color='white',

        width=800,

        height=600,

        # 相邻两个重复词之间的匹配

        collocations=False

    ).generate(text).to_file('TOP10.png')

#  matplotlib

#  导入

from matplotlib import pyplot as plt

plt.rcParams["font.sans-serif"] = ['SimHei']

plt.rcParams['axes.unicode_minus'] = False

import numpy as np

#  使用100个点 绘制 [0 , 2π]正弦曲线图

#.linspace 左闭右闭区间的等差数列

x = np.linspace(0, 2*np.pi, num=100)

print(x)

y = np.sin(x)

#  正弦和余弦在同一坐标系下

cosy = np.cos(x)

plt.plot(x, y, color='g', linestyle='--',label='sin(x)')

plt.plot(x, cosy, color='r',label='cos(x)')

plt.xlabel('时间(s)')

plt.ylabel('电压(V)')

plt.title('欢迎来到python世界')

# 图例

plt.legend()

plt.show()

#  matplotlib

#  导入

from matplotlib import pyplot as plt

plt.rcParams["font.sans-serif"] = ['SimHei']

plt.rcParams['axes.unicode_minus'] = False

import numpy as np

# #  使用100个点 绘制 [0 , 2π]正弦曲线图

# #.linspace 左闭右闭区间的等差数列

# x = np.linspace(0, 2*np.pi, num=100)

# print(x)

# y = np.sin(x)

# #  正弦和余弦在同一坐标系下

# cosy = np.cos(x)

# plt.plot(x, y, color='g', linestyle='--',label='sin(x)')

# plt.plot(x, cosy, color='r',label='cos(x)')

# plt.xlabel('时间(s)')

# plt.ylabel('电压(V)')

# plt.title('欢迎来到python世界')

# # 图例

# plt.legend()

# plt.show()

# 柱状图

# import string

# from random import randint

# # print(string.ascii_uppercase[0:6])

# # ['A', 'B', 'C'...]

# x = ['口红{}'.format(x) for x in string.ascii_uppercase[:5] ]

# y = [randint(200, 500) for _ in range(5)]

# print(x)

# print(y)

# plt.xlabel('口红品牌')

# plt.ylabel('价格(元)')

# plt.bar(x, y)

# plt.show()

#饼图


python学习的第三天_第3张图片

# 散点图

# 均值为 0 标准差为1 的正太分布数据

# x = np.random.normal(0, 1, 100)

# y = np.random.normal(0, 1, 100)

# plt.scatter(x, y)

# plt.show(

x = np.random.normal(0, 1, 1000000)

y = np.random.normal(0, 1, 1000000)

# alpha透明度

plt.scatter(x, y, alpha=0.1)

plt.show()

# 绘制 三国top10 饼图

# 红楼梦 top1o人物分析

你可能感兴趣的:(python学习的第三天)