save project

diy.py

-while open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')as f1:
-    for data in f1:
+q=''
+with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')as f1:
+    for d in f1:
         if '小强：10'in data:
-            print("有")
+            d=d.replace('小强：10','小强：11')
+        q+=d
+with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')as f1:
+    f1.write(q)