Python--第四次作业 郑懿
设计题1:
设计一个本月份日历,输出格式如下:
要求:
1.初始化start_day,end_day两个日期
from datetime import datetime
start_day=datetime(2019,4,1)
end_day=datetime(2019,4,30)
其它时间数据生成要用datetime或date模块的方法编程实现
2.不能使用calendar模块生成
from datetime import * start_day = datetime(2019, 4, 1) end_day = datetime(2019, 4, 30) d = end_day - start_day # 4月份差值 month = start_day.month # 打印的月份 begin = start_day.weekday() # 4月份的第一天 day = d.days + 1 # 4月份的总天数 count = 0 n = 1 print("\t\t2019年4月") print("日\t一\t二\t三\t四\t五\t六") while n <= begin: n += 1 print("\t", end="") count += 1 if (count % 7 == 0): print("\n") m = 1 while m <= day: # 循环几次与本月天数比较 print(m, "\t", end="") m += 1 count += 1 if (count % 7 == 0): print("\n")
设计题2:
1.参考“三国演义”词频统计程序,实现对红楼梦出场人物的频次统计。
import jiebb excludes = {"他们","众人","姑娘","这里","我们","那里","知道","起来","什么","一个","如今","说道","自己","奶奶","两个"} txt = open("红楼梦.txt", "r", encoding='utf-8').read() words = jieba.lcut(txt)#精确模式的分词函数,返回一个列表数据类型 #print(type(words)) #words的数据类型 counts = {} #定义一个字典 for word in words: if len(word) == 1: continue elif word == "宝二爷" or word=="贾宝玉" : rword =="宝玉" elif word == "林姑娘" or word=="黛玉": rword ="林黛玉" elif word == "宝姑娘" or word =="宝钗": rword ="薛宝钗" elif word == "凤姐" or word =="凤姐儿": rword ="王熙凤" elif word == "老祖宗" or word == "贾母": rword = "贾母" elif word == "芙蓉仙子" or word == "病西施": rword = "晴雯" elif word == "史大姑娘" or word =="湘云": rword ="史湘云" elif word =="惜春"or word == "贾惜春": rword ="贾惜春" elif word =="迎春"or word == "贾迎春": rword ="贾迎春" else: rword = word counts[rword] = counts.get(rword,0) + 1 #词汇加入字典 for word in excludes: del(counts[word]) #从字典中删除无用词 items = list(counts.items())#字典转换为列表 #lambda是一个隐函数,是固定写法,以下命令的意思就是按照记录的第2列排序 """x表示列表中的一个元素,x只是临时起的一个名字, 你可以使用任意的名字""" items.sort(key=lambda x:x[1], reverse=True) for i in range(20): #出现的词频统计 word, count = items[i] #将键和值分别赋予列表word和count print ("{0:<10}{1:>5}".format(word, count))#0:<10左对齐,宽度10,”>5"右对齐
2.(可选)
将红楼梦出场人物的频次统计结果用词云显示。