实验五

task2

with open('C:\\Users\\86131\\Desktop\\实验5数据文件\\实验5数据文件\\data2.txt','r',encoding='utf-8') as f:
    data=f.read().split('\n')
unique_line=[]
for line in data:
    if data.count(line)==1:
        unique_line.append(line)
print(f'共{len(unique_line)}独特行')
for i in unique_line:
    print(i)

task3

with open('C:\\Users\\86131\\Desktop\\实验5数据文件\\实验5数据文件\\data3.txt','r',encoding='utf-8') as f:
    data=f.readlines()
a=[]
for i in data[1:]:
    a.append(i.strip('\n'))
b=[]
for i in a:
    if '.' not in i:
        b.append(i)
    else:
        if int(i[i.index('.')+1])<5 :
            b.append(i[:i.index('.')])
        else:
            b.append(str(int(i[:i.index('.')])+1))
print(a)
print(b)
with open('data3_processed.txt','w',encoding='utf-8') as f:
    for i in range(0,len(a)):
        f.write(f'{a[i]:<5}')
        f.write(' ')
        f.write(b[i])
        f.write('\n')

task4

with open('C:\\Users\\86131\\Desktop\\实验5数据文件\\实验5数据文件\\data4.txt','r',encoding='utf-8') as f:
    a=f.readlines()
b=[]
for i in a:
    b.append(i.strip('\n').split('\t'))
print(a)
t=b[1:]
t.sort(key=lambda x:(x[2],-int(x[3])))
with open('data4_processed.txt','w',encoding='utf-8') as f:
    for i in b[0]:
        f.write(f'{i:<10}')
    f.write('\n')
    for i in t:
        for x in i:
            f.write(f'{x:<10}')
        f.write('\n')

task5

with open('C:\\Users\\86131\\Desktop\\实验5数据文件\\实验5数据文件\\data5.txt','r',encoding='utf-8') as f:
    a=f.readlines()
x=len(a)
t=''.join(a)
kongge=t.count(' ')
danci=len(t.split())
zifu=len(t)
print(x)
print(danci)
print(kongge)
print(zifu)
with open('data5_with_line_number.txt','w',encoding='utf-8') as f:
    for i in range(len(a)):
        f.write(f'{i+1:<5}')
        f.write(a[i])