任務實驗1：csv格式檔案讀寫（使用python內建的檔案操作）

task1.1:

1 title=['城市','人口(萬)']
2 info=[['南京','850'],['紐約','2300'],['東京','3800'],['巴黎','1000']]
3 with open('city1.csv','w',encoding='utf-8') as f:
4     f.write(','.join(title)+'\n')
5     for item in info:
6         f.write(','.join(item)+'\n')

task1.2:

1 with open('city1.csv
 
','r',encoding='utf-8') as f:
2     print(f.read().rstrip('\n'))

task1.3:

1 with open('city1.csv','r',encoding='utf-8') as f:
2     data=f.readlines()
3 print('data: ')
4 print(data)
5 
6 info=[line.rstrip('\n').split(',') for line in data]
7 print('info: ')
8 print(info)

任務實驗2：csv格式檔案讀寫（使用python內建的csv模組）

task2.1：

1 import csv
2 title = ['城市', '人口(萬)']
3 info = [ ['南京', '850'], ['紐約', '2300'], ['東京', '3800'], ['巴黎', '1000'] ]
4 with open('city2.csv', 'w', encoding='utf-8', newline='') as f:
5     f_writer = csv.writer(f)
6     f_writer.writerow(title)
7     f_writer.writerows(info)

task2.2：

1 import csv
 
2 with open('city2.csv','r',encoding='utf-8') as f:
3     f_reader=csv.reader(f)
4     for line in f_reader:
5         print(line)

task2.3：

1 import csv
2 with open('city3.csv', 'w', encoding='utf-8', newline='') as f:
3     title = ['城市', '人口']
4     f_writer = csv.DictWriter(f, fieldnames = title)
5     f_writer.writeheader()
6     f_writer.writerow({'城市':'南京', '人口': '850萬'})
7     f_writer.writerow({'城市':'紐約', '人口': '2300萬'})
8     f_writer.writerow({'城市':'東京', '人口': '3800萬'})
9     f_writer.writerow({'城市':'巴黎', '人口': '1000萬'})

task2.4：

1 import csv
2 with open('city3.csv', 'r', encoding='utf-8') as f:
3     f_reader = csv.DictReader(f)
4     for line in f_reader:
5         print(line)

任務實驗3：身份證號碼檔案批量處理

 1 def is_valid(x):
 2     if len(x)!=18:
 3         return False
 4     for i in x:
 5         if not (i.isdigit() or i=='X'):
 6             return False
 7     else:
 8         return True
 9 with open('data3_id.txt','r',encoding='utf-8') as f:
10     data=f.readlines()
11     del data[0]
12     line=[i.rstrip('\n').split(',') for i in data]
13     valid=[]
14     for i in line:
15         if is_valid(i[1])==True:
16             valid.append(i)
17 name=[]
18 number=[]
19 l2=[]
20 for i in valid:
21     name.append(i[0])
22     number.append(i[1])
23 n1=[i[6:14] for i in number]
24 l1=list(zip(name,n1))
25 for i in l1:
26     a=list(i)
27     l2.append(a)
28 l3=sorted(l2,key=(lambda x:x[1]),reverse=False)
29 for i in l3:
30     b=''.join(i)
31     print(f'{b[0:2]},{b[2:6]}-{b[6:8]}-{b[8:10]}')

任務實驗4：random模組，datetime模組：

任務實驗5：隨機抽點

 1 import random
 2 x=list(range(1,81))
 3 n=int(input('請輸入隨機抽點人數:'))
 4 with open('data5.txt','r',encoding='utf-8') as f:
 5     data=f.readlines()
 6     d1=[]
 7     for i in data:
 8         d1.append(i.strip('\n'))
 9     d2=random.sample(d1,n)
10 
11 for i in d2:
12     print(i)
13 import datetime
14 t=datetime.datetime.now()
15 f1=t.strftime('%Y%m%d')+'.txt'
16 with open(f1,'w',encoding='utf-8') as f:
17     for i in d2:
18         f.write(i+'\n')

 1 import random
 2 x=list(range(1,81))
 3 with open('data5.txt','r',encoding='utf-8') as f:
 4     data=f.readlines()
 5     d1=[]
 6     for i in data:
 7         d1.append(i.strip('\n'))
 8 import datetime
 9 t=datetime.datetime.now()
10 f1=t.strftime('%Y%m%d')+'.txt'
11 print('{:=^50}'.format('抽點開始'))
12 
13 while True:
14     n=int(input('請輸入隨機抽點人數:'))
15     if n==0:
16         print('{:=^50}'.format('抽點結束'))
17         break
18     d2=(random.sample(d1,n))
19     
20     for i in d2:
21         d1.remove(i)
22         print(i)
23     with open(f1,'a',encoding='utf-8') as f:
24         for i in d2:
25             f.write(i+'\n')