2023年5月31日吴曦远202283820011实验五

with open('data1.txt','r',encoding='utf-8')as f:
    data=f.readlines()
n=0
print(data)
for line in data:
    if not line.strip()=='':
        n+=1
print(n)

with open('data1.txt','r',encoding='utf-8')as f:
    n_1=0
    for line in f:
        if not line.strip()=='':
            n_1+=1
print(n_1)

with open('data1.txt','r',encoding='utf-8')as f:
    n_1=0
    for line in f:
        if not line.isspace():
            n_1+=1
print(n_1)

with open('data2.txt', 'r', encoding = 'utf-8') as f:
    data = f.read().split('\n')

unique_line_lst = []
for line in data:
    if data.count(line) == 2:
        unique_line_lst.append(line)
n = len(unique_line_lst)
print(f'data2.txt共{n}行独特行')
for line in unique_line_lst:
    print(line)

unique_line_lst = []
for line in data:
    if data.count(line) == 1:
        unique_line_lst.append(line)
n = len(unique_line_lst)
print(f'data2.txt共{n}行独特行')
for line in unique_line_lst:
    print(line)

title = ['城市', '人口(万)']
info = [['南京', '850'],
['纽约', '2300'],
['东京', '3800'],
['巴黎', '1000']]
with open('city1.csv', 'w', encoding = 'gbk') as f:
    f.write(','.join(title) + '\n') # 写入标题行
    for item in info: # 分行写入info
        f.write(','.join(item) + '\n')

with open('city1.csv', 'r', encoding = 'gbk') as f:
    data = f.read()
print(data.rstrip('\n'))

import csv
with open('city2.csv', 'r', encoding = 'gbk') as f:
    f_reader = csv.reader(f) # 为文件对象f创建一个reader对象
    for line in f_reader:
        print(line)
print(f_reader)

import os
print(os.path.basename(os.getcwd()))
# 将当前路径下所有.py文件名保存到py_file_lst中
py_file_lst = [file for file in os.listdir() if file.endswith('.py')]
# 遍历输出
print(py_file_lst)
for number, file in enumerate(py_file_lst, 1):
    print(f'{number:-3d}. {file}')

with open('data7.csv','r',encoding = 'gbk') as f:
    info = f.read().split('\n')
del info[0]

major_dict = {}
for i in info:
    person_list = i.split(',')
    major_dict[i] = person_list[2]

items = [[k,v] for k,v in major_dict.items()]
items.sort(key=lambda x:x[1])

majors_count = 1
majors_list = []
for i in range(len(items)-1):
    if items[i+1][1] == items[i][1] and items[i][1] not in majors_list:
        majors_list.append(items[i][1])
        pass
    elif items[i+1][1] == items[i][1] and items[i][1] in majors_list:
        pass
    else:
        majors_list.append(items[i+1][1])
        majors_count += 1

for i in range(majors_count):
    x = locals()[f'major{i+1}'] = []  
    for j in range(len(items)):
        if items[j][1] == majors_list[i]:
            x.append(items[j][0])
        else:
            pass

score_dict1 = {}
for i in major1:
    person_list = i.split(',')
    score_dict1[i] = person_list[3]
items1 = [[k,v] for k,v in score_dict1.items()]
items1.sort(key=lambda x:x[1],reverse = True)

score_dict2 = {}
for i in major2:
    person_list = i.split(',')
    score_dict2[i] = person_list[3]
items2 = [[k,v] for k,v in score_dict2.items()]
items2.sort(key=lambda x:x[1],reverse = True)

together = items1 + items2
final_data = [i[0] for i in together]

final_list = []
for i in final_data:
    person_list = i.split(',')
    final_list.append(person_list)
print(final_list)
title = ['学号','姓名','专业','分数']

with open('data7.csv', 'w', encoding = 'gbk') as f:
    f.write(','.join(title) + '\n')
    for item in final_list:
        f.write(','.join(item) + '\n')

lines_count = 0
words_count = 0
chrs_count = 0
space_count = 0
with open('hamlet.txt','r',encoding = 'utf-8') as f:
    for line in f:
        words = line.split()
        lines_count += 1
        words_count += len(words)
        chrs_count += len(line)
        for i in list(line):
            if i == ' ':
                space_count += 1
            else:
                pass

print('行数:',lines_count)
print('单词数:',words_count)
print('字符数:',chrs_count)
print('空格数:',space_count)

def is_valid(p_id):
    if len(p_id) != 18:
        return False
    else:
        a = p_id[-1]
        b = p_id[:-1]
        if b.isdigit() == True and a == 'X' or p_id.isdigit() == True:
            return True
        else:
            return False

with open('data9_id.txt','r',encoding = 'utf-8') as f:
    info = f.read().split('\n')
    del info[0]
    id_list = []
    for i in info:
        x = i.split(',')
        if x[0] not in id_list and is_valid(x[1]) == True:
            id_list.append([x[0],x[1]])

import datetime
t = datetime.datetime.now()
year_now = int(t.strftime('%Y%m%d')[0:4])
month_now = int(t.strftime('%Y%m%d')[4:6])
day_now = int(t.strftime('%Y%m%d')[6:8])

year_dict = {}
for i in range(len(id_list)):
    p_id = id_list[i][1]
    year = int(p_id[6:10])
    month = int(p_id[10:12])
    day = int(p_id[12:14])

    p_info = id_list[i][0] + ',' + str(year) + '-' + str(month) + '-' + str(day) + ','
    if month <= month_now and day < day_now:
        year_dict[p_info] = year_now - year - 1
    else:
        year_dict[p_info] = year_now - year
print('姓名，出生日期，年龄')
items = [[k,v] for k,v in year_dict.items()]
items.sort(key=lambda x:x[1],reverse = True)
for i in items:
    print(f'{i[0]}{i[1]}')

print(f"{'抽点开始':*^40}")
import random as r
with open('data10_stu.txt','r',encoding = 'utf-8') as f:
        stu = f.readlines()
def the_lucky_dogs(n):
    stu_list = []
    while True:
        if n != 0:
            i = r.randint(0,len(stu)-1)
            if stu[i] not in stu_list:
                stu_list.append(stu[i])
                print(stu[i])
                n -= 1
            else:
                pass
        else:
            print(f"{'抽点结束':*^40}")
            break

n = int(input('输入随机抽点人数:'))
the_lucky_dogs(n)

print(f"{'抽点开始':*^40}")
import random as r
with open('data10_stu.txt','r',encoding = 'utf-8') as f:
        stu = f.readlines()
def the_lucky_dogs(n):
    stu_list = []
    while True:
        if n != 0:
            i = r.randint(0,len(stu)-1)
            if stu[i] not in stu_list:
                stu_list.append(stu[i])
                print(stu[i])
                n -= 1
            else:
                pass
        else:
            break

    for i in stu_list:
        stu.remove(i)
while True:
    n = int(input('输入随机抽点人数:'))
    if n != 0:
        the_lucky_dogs(n)
    else:
        print(f"{'抽点结束':*^40}")
        break