2022-09-27 学习Python-Day14

wyh551202

这几天看的永久存储，应该是对文件的基本操作很实用！P54-P56

1. ###########################################P54
   
2. f=open('./fishc.txt','w')
   
3. f.write('I love Python.\n')
   
4. f.writelines(['I love Fishc.\n','I love my wife.'])
   
5. f.close()
   
6. ######################################
   
7. f=open('./fishc.txt','r+')
   
8. print(f.readable())
   
9. print(f.writable())
   
10. for each in f:
    
11.     print(each)
    
12. print(f.tell())
    
13. f.seek(0)
    
14. print(f.readline())
    
15. print(f.read())
    
16. f.write('I love my WIFI')
    
17. f.flush()
    
18. f.truncate(29)
    
19. f.close()
    
20. ######################################
    
21. f=open('./fishc.txt','w')
    
22. f.close()
    
23. ###########################################P55
    
24. from pathlib import Path
    
25. print(Path.cwd())
    
26. p=Path(r'D:\\work\\python\\untitled\\study\\')
    
27. q=p /'fishc.txt'
    
28. print(p.is_dir())
    
29. print(q.is_dir())
    
30. print(q.is_file())
    
31. print(p.name)
    
32. print(q.name)
    
33. print(q.stem)
    
34. print(q.suffix)
    
35. print(p.parent)
    
36. print(q.parent)
    
37. ps =p.parents
    
38. for each in ps:
    
39.     print(each)
    
40. print(p.stat())
    
41. print(p.stat().st_size)
    
42. print(Path('../FishC.txt').resolve())
    
43. print(p.iterdir())
    
44. for each in p.iterdir():
    
45.     print(each)
    
46. y=[x for x in p.iterdir() if x.is_file()]
    
47. print(y)
    
48. n=p/'fishc'
    
49. n.mkdir(exist_ok=True)
    
50. n=p/'fishc/a/b/c'
    
51. n.mkdir(exist_ok=True,parents=True)
    
52. n=n/'Fishc.txt'
    
53. f=n.open('w')
    
54. f.write('I love bitch')
    
55. f.close()
    
56. # n.rename('./Newfishc.txt')
    
57. # m=Path('Newfishc.txt')
    
58. # m.replace(n)
    
59. # n.unlink()
    
60. # n.parent.rmdir()
    
61. p=Path('.')
    
62. p.glob('*.txt')
    
63. list(p.glob('*.txt'))
    
64. ###########################################P56
    
65. f=open(r'D:\work\python\untitled\study\a.txt','w')
    
66. f.write('I love FishC')
    
67. f.close()
    
68. with open('./a.txt','w') as f:
    
69.     f.write('heihei')
    
70. import pickle
    
71. x,y,z=1,2,3
    
72. s='FishC'
    
73. l=['小甲鱼',520,3.14]
    
74. d={'one':1,'two':2}
    
75. with open('./data.pkl','wb') as f:
    
76.     pickle.dump(x,f)
    
77.     pickle.dump(y, f)
    
78.     pickle.dump(z, f)
    
79.     pickle.dump(s, f)
    
80.     pickle.dump(l, f)
    
81.     pickle.dump(d, f)
    
82. 
    
83. with open('./data.pkl','rb') as f:
    
84.     x=pickle.load(f)
    
85.     y = pickle.load(f)
    
86.     z = pickle.load(f)
    
87.     s = pickle.load(f)
    
88.     l = pickle.load(f)
    
89.     d = pickle.load(f)
    
90. print(x,y,z,s,l,d,sep='\n')

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