save project

diy.py

-# file1= open(r'C:\Users\BBTC\Desktop\test.txt','w',encoding='utf-8')
-# file1.write('A:12\n')
-# file1.write('B:11\n')
-# file1.write('C:9\n')
-# file1.write('D:16\n')
-# file1.close()
+new_data=''
 with open(r'C:\Users\BBTC\Desktop\test.txt','r',encoding='utf-8') as file1:
 with open(r'C:\Users\BBTC\Desktop\test.txt','r',encoding='utf-8') as file1:
     for data in file1:
     for data in file1:
         if'E:10'in data:
         if'E:10'in data:
-            print('在')
-
+            data=data.replace('E:10'，'E:11')
+        new_data +=data
+with open(r'C:\Users\BBTC\Desktop\test.txt','w',encoding='utf-8') as file1:
+    file1.write(new_data)
+with open(r'C:\Users\BBTC\Desktop\test.txt','w',encoding='utf-8') as file1:
+    a=file1.read()
+    print(a)
     
     
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