实验五 

 1 with open('D://aa//data3.txt','r',encoding='utf-8')as f:
 2     data=f.read().split('\n')
 3     list1=data[1:11]
 4     print("原始数据：")
 5     print(list1)
 6 list2=[]
 7 for i in list1:
 8     num=float(i)
 9     y=int(num)
10     x=num-y
11     if x>=0.6:
12         y+=1
13         list2.append(y)
14     else:
15         y=y
16         list2.append(y)
17 print("四舍五入后数据：")
18 print(list2)
19 with open('D://aa//data3_processed.txt','w',encoding='utf-8') as f:
20     list1.insert(0,'原始数据')
21     list2.insert(0,'四舍五入后数据')
22     for i in range(len(list1)):
23         f.write(f"{list1[i]}\t{list2[i]}\n")

 1 with open('D://aa//data4.txt','r+',encoding='utf-8') as f:
 2     str=[i.strip('\n').split('\t') for i in f]
 3     a=str.pop(0)
 4     str.sort(key=lambda x : (x[2],-int(x[-1])))
 5     print('\t'.join(a))
 6     for i in str:
 7         print('\t'.join(i))
 8 with open('D://aa//data4_progressed.txt','w') as f:
 9     f.write('\t'.join(a))
10     f.write('\n')
11     for i in str:
12         f.write('\t'.join(i))
13         f.write('\n')

 1 with open('D://aa//data5.txt', 'r', encoding='utf-8') as f:
 2     list=''.join([i for i in f])
 3     hang=len(list.splitlines())
 4     words=len(list.split())
 5     kong=list.count(' ')
 6     zifu=len(list)
 7     print('行数:',hang)
 8     print('单词数:',words)
 9     print('空格数:',kong)
10     print('字符数:',zifu)
11 with open('D://aa//data5_with_line.txt','w',encoding='utf-8') as f:
12     for i in range(hang):
13         f.write('{} {}'.format(i+1,list.split('\n')[i]))
14         f.write('\n')

 

posted @ 2022-05-14 23:53  是个f个人  阅读(43)  评论(1)    收藏  举报