# 实验五

task3 1 with open('data3.txt','r',encoding='utf-8') as f:
3     f.close()
4 with open('data3_processed.txt','w',encoding='utf-8') as b:
5     a=['四舍五入后数据：']
6     for i in range(len(data)):
7         data[i]=data[i].strip('\n')
8     for i in data[1:]:
9         i=eval(i)
10         if i-int(i)<0.5:
11             a.append(str(int(i)))
12         else:
13             a.append(str(int(i)+1))
14     for i in range(len(data)):
15         b.write(data[i]+'\t'+a[i]+'\n')
16     b.close()
17 a1=[];a2=[]
18 for i in range(1,len(data)):
19     a1.append(eval(data[i]))
20     a2.append(int(a[i]))
21 print(f'原始数据：\n{a1}\n四舍五入后数据:\n{a2}')

 1 f=open('data4.txt','r',encoding='utf-8')
2 a=[]
3 for i in f:
4     a.append(i.split())
5 b=a[0]
6 del a[0]
7 a.sort(key=lambda x:(x[2],-int(x[3])))
8 a.insert(0,b)
9 f.close()
10 f=open('data4_processed.txt','w',encoding='utf-8')
11 for m in a:
12     for n in m:
13         f.write(n+'\t')
14     f.write('\n')
15 f=open('data4_processed.txt','r',encoding='utf-8')
17 print(c)    

 1 f=open('data5.txt','r',encoding='utf-8')
3 lines=len(data.splitlines())
4 words=len(data.split())
5 spaces=data.count(' ')
6 characters=len(data)
7 print(f'行数:{lines}\n单词数:{words}\n空格数:{spaces}\n字符数:{characters}')
8 a=open('data5_with_line.txt','w',encoding='utf-8')
9 b=data.splitlines()
10 for i in range(len(b)):
11     a.writelines(f'{i+1} {b[i]}\n')
12 a.close()

posted on 2022-05-16 20:19  VolcanX  阅读(7)  评论(3编辑  收藏  举报