1 #task3.py
2 with open('data3.txt','r',encoding='utf-8') as f :
3 with open('data3_processed.txt', 'w', encoding='utf-8') as f1:
4 data=f.read().strip().split('\n')
5 data.pop(0)
6 data1=[eval(i) for i in data]
7 data2=[]
8 for i in data1:
9 if i - int(i) >= 0.5:
10 data2.append(int(i) + 1)
11 else:
12 data2.append(int(i))
13 data3=[int(i)for i in data2]
14 f1.write(f'原始数据\t四舍五入后的数据\n')
15 for j in range(len(data)):
16 f1.write(f'{data1[j]}\t\t{data2[j]}\n')
17 print(f'原始数据:\n{data1}\n四舍五入后的数据:\n{data2}')
1 #task4.py
2 with open('data4.txt','r',encoding='utf-8')as f:
3 with open('data4_processed.txt','w',encoding='utf-8')as f1:
4 data=f.readlines()
5 data1=[i.strip('\n').split('\t') for i in data]
6 x=data1.pop(0)
7 data2=[sorted(data1,key=lambda x: (x[2], -int(x[3])))]
8 print('\t\t'.join(x))
9 f1.write('\t\t'.join(x)+'\n')
10 for i in data2:
11 for j in i:
12 print('\t'.join(j))
13 f1.write('\t'.join(j)+'\n')
1 #task5.py
2 with open('data5.txt','r',encoding='utf-8')as f:
3 with open('data5_with_line.txt', 'w', encoding='utf-8') as f1:
4 a=f.read().strip('\n')
5 b = len(a.splitlines())
6 print('行数:', b)
7 e = len(a.split())
8 print('单词数:', e)
9 c = 0
10 for c, number in enumerate(a):
11 c += 1
12 print('字符数:', c)
13 d = 0
14 for i in a:
15 if i == ' ':
16 d += 1
17 print('空格数:', d)
18 a=a.split('\n')
19 n='\n'.join(a)
20
21 for i in range(len(a)):
22 f1.write(f'{i+1}.{a[i]}\n')
