实验5 文件应用编程

3.实验任务3

with open('data3.txt', 'r', encoding='utf-8') as f1:
    data3 = f1.read().split('\n')
    a = data3.pop(0)
    data1 = [eval(d) for d in data3]
    b = '四舍五入后数据'
    data2=[]
    for i in data1:
        if i-int(i)>=0.5:
            data2.append(int(i)+1)
        else:
            data2.append(int(i))
print(f'{a}:\n{data1}')
print(f'{b}:\n{data2}')
data1.insert(0, a)
data2.insert(0, b)
c = [data1, data2]
with open('data3_processed.txt', 'w', encoding='utf-8') as f2:
    for data in zip(*c):
        f2.write('{0}\t{1}\n'.format(*data))

4.实验任务4

with open('data4.txt', 'r+', encoding='utf-8') as f1:
    inf1 = f1.readlines()
    inf2 = [list(i.strip().split()) for i in inf1]
    a=inf2.pop(0)
    inf3 = sorted(inf2, key=(lambda x: [x[2], -int(x[3])]))
    inf3.insert(0,a)
    with open('data4_processed.txt ','w',encoding='utf-8')as f2:
        for m in inf3:
            f2.write('\t'.join(m)+'\n')
            for n in m:
                print('%-5s\t'%n,end='')
            print()

5.实验任务5

with open('data5.txt','r+',encoding='utf-8')as f1:
    inf=f1.read()
    line = len(inf.splitlines())
    word = len(inf.split())
    string = len(inf)
    space=0
    for i in inf:
        if i==' ':
            space+=1
    print(f'行数:{line}')
    print(f'单词数:{word}')
    print(f'空格数:{space}')
    print(f'字符数:{string}')
    with open('data5_with_line.txt', 'w', encoding='utf-8') as f2:
        for n in range(line):
            f2.write(str(n+1)+'  '+inf.split('\n')[n]+'\n')

实验总结：

谁来救救我，呜呜呜呜呜呜呜，真的好难（准备把自己埋了）,欸~