实验五

with open('data3.txt','r+', encoding='UTF-8') as f:
    x = [line.strip('\n') for line in f]
    x.pop(0)
    x_print = [eval(i) for i in x]
    print(f"原始数据:\n{x_print}")
    x_new = [round(eval(i)) for i in x]
    print(f'四舍五入后的数据:\n{x_new}')
  
with open('data3_processed.txt','w') as f:
    write1 = ['原始数据'] + [str(i) for i in x]
    write2 = ['四舍五入后的数据'] + [str(i) for i in x_new]
    for i in range(len(x)):
        f.write(f"{write1[i]}\t{write2[i]}\n")

with open('data4.txt','r', encoding='utf-8')as f:
    with open('data4_processed.txt','w', encoding='utf-8')as f1:
        data=f.readlines()
        data1=[i.strip('\n').split('\t') for i in data]
        x=data1.pop(0)
        data2=[sorted(data1,key=lambda x: (x[2], -int(x[3])))]
        print('\t\t'.join(x))
        f1.write('\t\t'.join(x)+'\n')
        for i in data2:
            for j in i:
                print('\t'.join(j))
                f1.write('\t'.join(j)+'\n')

with open('data5.txt','r',encoding='utf-8')as f:
    with open('data5_with_line.txt', 'w', encoding='utf-8') as f1:
        a=f.read().strip('\n')
        b = len(a.splitlines())
        print('行数:', b)
        e = len(a.split())
        print('单词数:', e)
        c = 0
        for c, number in enumerate(a):
            c += 1
        print('字符数:', c)
        d = 0
        for i in a:
            if i == ' ':
                d += 1
        print('空格数:', d)
        a=a.split('\n')
        n='\n'.join(a)
    for i in range(len(a)):
        f1.write(f'{i+1}.{a[i]}\n')