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_date=''
+with open(r'C:\Users\BBTC\Desktop\test.txt','r',encoding='utf-8') as file1:
+    for data in file1: 
+        if 'E:10' in data:
+            data=data.replace('E:10','E:11')
+        new_date +=data
+with open(r'C:\Users\BBTC\Desktop\test.txt','w',encoding='utf-8') as file1:
+    file1.write(new_date)
+with open(r'C:\Users\BBTC\Desktop\test.txt','r',encoding='utf-8') as file1:
+    a=file1.read()
+    print(a)
+    
+