实验任务六
实验源码：
1 with open('data6.csv','r',encoding='gbk') as f:
2 data = f.readlines()
3 data1=[str(eval(data[i])) for i in range(1,len(data))]
4 data2=[str(int(eval(data[i])+0.5)) for i in range(1,len(data))]
5 info=[[data1[i],data2[i]] for i in range(len(data1)) ]
6 title = ['原始数据','四舍五入后数据']
7
8 with open('data6_processed.csv', 'w', encoding = 'gbk') as f:
9 f.write(','.join(title) + '\n') # 写入标题行
10 for item in info:
11 f.write(','.join(item) + '\n')
12 ls1 = []
13 ls2 = []
14 with open('data6_processed.csv', 'r', encoding = 'gbk') as f:
15 data3=f.readlines()
16 for i in range(1,len(data3)):
17 data4=data3[i].split(',')
18 ls1.append(data4[0].strip())
19 ls2.append(data4[1].strip())
20 print('原始数据')
21 print(ls1)
22 print('四舍五入后数据')
23 print(ls2)
实验结果截图：
实验任务七
实验源码：
1 with open('data7.csv','r',encoding='gbk') as f:
2 data1 = f.read().split('\n')
3 del data1[0]
4 lsta = []
5 lstm = []
6 for i in data1:
7 lst1 = i.split(',')
8 if lst1[2] == 'Acting':
9 lsta.append(lst1)
10 else:lstm.append(lst1)
11 lstm.sort(key=lambda x:x[-1],reverse = True)
12 lsta.sort(key=lambda x:x[-1],reverse = True)
13 info = lsta + lstm
14 title = ['学号','姓名','专业','分数']
15 with open('data7_processed.csv','w',encoding='gbk') as f:
16 f.write(','.join(title)+'\n')
17 for items in info:
18 f.write(','.join(items)+'\n')
19 print('{:<10}'.format(title[0]),'{:<10}'.format(title[1]),'{:<10}'.format(title[2]),'{:<15}'.format(title[3]))
20 for i in info:
21 print('{:<10}'.format(i[0]),'{:<10}'.format(i[1]),'{:<10}'.format(i[2]),'{:<15}'.format(i[3]))
实验任务八：
实验源码：
1 lines = 0
2 words = 0
3 sum1 = 0
4 space = 0
5 with open('hamlet.txt','r',encoding='utf-8') as f:
6 for line in f:
7 word = line.split()
8 lines += 1
9 words += len(word)
10 sum1 += len(line)
11 for i in line:
12 if i == ' ':
13 space += 1
14 else:
15 pass
16 print('hamlet.txt粗滤统计:')
17 print(f'行数:{lines}')
18 print(f'单词数:{words}')
19 print(f'字符数:{sum1}')
20 print(f'空格数:{space}')
21
22 with open('hamlet.txt','r',encoding = 'utf-8') as f:
23 text = f.readlines()
24
25 for i in range(len(text)):
26 text[i] = str(i+1) + ' ' + text[i]
27
28 with open('hamlet_with_line_number.txt','w',encoding = 'utf-8') as f:
29 f.writelines(text)
实验结果截图：
实验任务九
实验源码：
1 def is_valid(sfz):
2 if len(sfz) != 18:
3 return False
4 elif (sfz[:-1].isnumeric() and sfz[-1] == 'X') or sfz.isnumeric():
5 return True
6 else:return False
7
8
9 with open('data9_id.txt','r',encoding='utf-8') as f:
10 data = f.read().split('\n')
11 del data[0]
12 data2 = []
13 data3 =[]
14 print('姓名,出生日期,年龄')
15 for i in data:
16 lst = i.split(',')
17 data2.append(lst)
18 lst2 = []
19 for i in data2:
20 if is_valid(i[1]) == True:
21 name = i[0]
22 btd = i[1][6:14]
23 age = str(2023 - int(i[1][6:10]))
24 lst2.append([name,btd,age])
25 lst2.sort(key=lambda x:x[2],reverse=True)
26 for i in lst2:
27 print(i[0],end=',')
28 print(f'{i[1][:4]}-{i[1][4:6]}-{i[1][6:8]}',end=',')
29 print(i[2])
实验任务十
task_1
实验源码：
1 with open('data10_stu.txt','r',encoding='utf-8') as f:
2 data = f.readlines()
3 print('{:*^40}'.format('抽点开始'))
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 sum1 = 0
17 for i in range(n):
18 print(data[x[i]])
19 x2 += data[x[i]]
20 sum1 += n
21 with open('20230602.txt','w',encoding='utf-8') as f:
22 f.writelines(x2)
实验结果截图：
task_2
实验源码：
1 with open('data10_stu.txt','r',encoding='utf-8') as f:
2 data = f.readlines()
3 print('{:*^40}'.format('抽点开始'))
4 n = int(input('输入随机抽点人数:'))
5 import random
6 x = []
7 sum1 = 0
8 x2 = ''
9 while n != 0:
10 counts = 0
11 while counts < n:
12 new = random.randint(0, len(data) - 1)
13 if new in x:
14 new = random.randint(0, len(data) - 1)
15 else:
16 counts +=1
17 x.append(new)
18 for i in range(sum1,sum1+n):
19 print(data[x[i]])
20 x2 += data[x[i]]
21 sum1 += n
22 n = int(input('输入随机抽点人数:'))
23
24 with open('20230602.txt','w',encoding='utf-8') as f:
25 f.writelines(x2)
26
27 print('{:*^40}'.format('抽点结束'))
实验结果截图：
