实验任务6 task6.py
1 with open('data6.csv', 'r', encoding='gbk') as f:
2 old_data = f.read().split('\n')
3 del old_data[0]
4 processed_data = []
5 for i in range(len(old_data)):
6 if eval(old_data[i]) + 0.5 >= int(eval(old_data[i])) + 1:
7 processed_data.append(str(int(eval(old_data[i])) + 1))
8 else:
9 processed_data.append(str(int(eval(old_data[i]))))
10 title = ['原始数据', '四舍五入后数据']
11 new = []
12 for i in range(len(old_data)):
13 new.append([old_data[i], processed_data[i]])
14 with open('data6_processed.csv','w',encoding = 'gbk') as f:
15 f.write(','.join(title)+'/n')
16 for i in new:
17 f.write(','.join(i) + '\n')
18 print('原始数据:')
19 print(old_data)
20 print(f'四舍五入后数据：')
21 print(new)
实验任务7 task7.py
1 with open('data7.csv','r',encoding='gbk') as f:
2 data = f.read().split('\n')
3 del data[0]
4 lsta = []
5 lstb = []
6 for i in data:
7 lst1 = i.split(',')
8 if lst1[2] == 'Acting':
9 lsta.append(lst1)
10 else:
11 lstb.append(lst1)
12 lstb.sort(key=lambda x:x[-1],reverse = True)
13 lsta.sort(key=lambda x:x[-1],reverse = True)
14 info = lsta + lstb
15 title = ['学号','姓名','专业','分数']
16 with open('data7_processed.csv','w',encoding='gbk') as f:
17 f.write(','.join(title)+'\n')
18 for items in info:
19 f.write(','.join(items)+'\n')
20 print('{:<10}'.format(title[0]),'{:<10}'.format(title[1]),'{:<10}'.format(title[2]),'{:<15}'.format(title[3]))
21 for i in info:
22 print('{:<10}'.format(i[0]),'{:<10}'.format(i[1]),'{:<10}'.format(i[2]),'{:<15}'.format(i[3]))
实验任务8 task8.py
1 with open('hamlet.txt','r') as f:
2 data = f.read()
3 print('hamlet.txt粗略统计:')
4 data1 = data.splitlines()
5 print(f'行数:{len(data1)}')
6 print(f'单词数:{len(data.split())}')
7 print(f'字符数:{len(data)}')
8 k = data.count(' ')
9 print(f'空格数:{k}')
10
11 data2=[]
12 for i in range(len(data1)):
13 data2.append(f'{i+1} '+ data1[i] + '\n')14
14 with open('hamlet_with_line_number.txt','w') as f:
15 f.writelines(data2)
实验任务9 task9.py
1 def is_valid(a):
2 if len(a) != 18:
3 return False
4 elif (a[:-1].isnumeric() and a[-1] == 'X') or (a.isnumeric()):
5 return True
6 else:
7 return False
8
9 with open('data9_id.txt','r') as f:
10 data = f.read().split('\n')
11 del data[0]
12 data1 = []
13 print('姓名,出生日期,年龄')
14 for i in data:
15 lst = i.split(',')
16 data1.append(lst)
17 lst1 = []
18 import datetime
19 t = datetime.datetime.now().year
20 for i in data1:
21 if is_valid(i[1]) == True:
22 name = i[0]
23 btd = i[1][6:14]
24 age = str(int(t)-int(i[1][6:10]))
25 lst1.append([name,btd,age])
26 lst1.sort(key=lambda x:x[2],reverse=True)
27 for i in lst1:
28 print(i[0],end=',')
29 print(f'{i[1][:4]}-{i[1][4:6]}-{i[1][6:8]}',end=',')
30 print(i[2])
实验任务10 task10_1.py
1 with open('data10_stu.txt','r',encoding='utf-8') as f:
2 data = f.readlines()
3
4 n = int(input('输入随机抽点人数:'))
5 import random
6 x = []
7 x2 = ''
8 counts = 0
9 while counts < n:
10 new = random.randint(0, len(data) - 1)
11 if new in x:
12 new = random.randint(0, len(data) - 1)
13 else:
14 counts +=1
15 x.append(new)
16 for i in range(n):
17 print(data[x[i]])
18 x2 += data[x[i]]
19
20 with open('20230602.txt','w',encoding='utf-8') as f:
21 f.writelines(x2)
task10_2.py
1 with open('data10_stu.txt','r',encoding = 'utf-8') as f:
2 data = f.readlines()
3
4 data1 = [i.strip('\n').split(',') for i in data]
5
6 print('{:*^40}'.format('抽点开始'))
7 n = int(input('输入随机抽点人数:'))
8 d= []
9 while n!=0:
10 import random
11 x = list(range(len(data1)))
12 t = random.sample(x,n)
13 for i in t:
14 d.append(data[i])
15 for j in data1[i]:
16 print(j)
17 n = int(input('输入随机抽点人数:'))
18 else:
19 print('{:*^40}'.format('抽点结束'))
20
21
22 with open('20230605.txt','w',encoding='utf-8') as f:
23 for i in d:
24 f.write(''.join(i)+'\n')
标签：old,open,len,实验,print,data,append From： https://www.cnblogs.com/zjyuan1013/p/17462115.html