auto save

1.py

 s= open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')
-s.write('s:11本\n')
-s.write('w:11本\n')
-s.write('b:11本\n')
-s.close()
\ No newline at end of file
+s.write('傻炮:11本\n')
+s.write('刁毛:11本\n')
+s.write('靓仔:11本\n')
+s.close()
+new_data=''
+with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')as s:
+    s.write('大:11本\n')
+
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')as s:
+    for data in s:
+        if '大:11本'in data:
+            data=data.replace('靓仔:11本','靓仔:21本')
+        new_data +=data
+
+with open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')as s:
+    s.write(new_data)
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')as s:
+    a=s.read()
+    print(a)
\ No newline at end of file

2.py

+with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')as s:
+s.write('大:11本\n')
\ No newline at end of file