1 with open('data3.txt','r',encoding='utf-8')as f:
2 data=f.read().strip().split('\n')
3 data[0]='原始数据'+'\t'+'四舍五入后数据'+'\n'
4 for i in range(1,len(data)):
5 data[i]=data[i] + '\t' + str(int(eval(data[i])+0.4))+'\n'
6 with open('data3out.txt','a',encoding='utf-8')as f:
7 f.writelines(data)
1 with open('data4.txt','r',encoding='utf-8') as f:
2 yuan=f.read().split('\n')
3 data=['']*(len(yuan)-1)
4 res=['']*len(yuan)
5 for i in range(0,len(yuan)):
6 yuan[i]=list(yuan[i].split('\t'))
7 if i>0:
8 yuan[i][3]=int(yuan[i][3])
9 data[i-1]=yuan[i]
10 data.sort(key=lambda s:(s[2],-s[3]))
11 for j in range(0, len(yuan[0])):
12 res[0] += str(yuan[0][j]) + '\t'
13 res[0] += '\n'
14 for i in range(0,len(data)):
15 for j in range(0, len(data[i])):
16 res[i+1] += str(data[i][j]) + '\t'
17 res[i+1] += '\n'
18 with open('data4out.txt','a',encoding='utf-8') as f:
19 f.writelines(res)
1 data=[]
2 s1=0
3 s2=0
4 s3=0
5 with open('data5.txt', 'r',encoding = 'utf-8') as f:
6 data=f.readlines()
7 for i in range(len(data)):
8 s1+=len(data[i].split(' '))
9 s2+=len(data[i])
10 s3+=data[i].count(' ')
11 print('行数：',len(data));print('单词数：',s1)
12 print('字符数:',s2);print('空格数',s3)
13 for i in range(len(data)):
14 data[i]=str(i+1)+' '+data[i]
15 with open('data5out.txt', 'w',encoding = 'utf-8') as f:
16 f.writelines(data)
