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\t' + str(int(eval(data[i]) + 0.4)) + '\n' 6 with open('data3.txt', 'w', encoding='utf-8') as f: 7 f.writelines(data)
1 with open('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('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('data5.txt', 'r', encoding='utf-8') as f: 2 data = f.read().strip('\n') 3 a = data.split('\n') 4 b = '\n'.join(a) 5 space_counts = 0 6 with open('data5_with_line.txt', 'w', encoding='utf-8') as g: 7 for i in range(len(a)): 8 for x in a[i]: 9 if x == ' ': 10 space_counts += 1 11 else: 12 space_counts = space_counts 13 g.write(f'{i+1} {a[i]}\n') 14 print(f'''行数：{len(a)} 15 单词数：{len(b.split())} 16 空格数：{space_counts} 17 字符数：{len(b)}''')
