save project

diy1.py

@@ -3,10 +3,19 @@
 # file.write('大\n')
 # file.write('大\n')
 # file.close()
 # file.close()
 
 
+new_data=" "
 with.open(r'C:\Users\Student-A08\Desktop\555.txt','a',encoding='utf-8') as file1:
 with.open(r'C:\Users\Student-A08\Desktop\555.txt','a',encoding='utf-8') as file1:
     for data in file1:
     for data in file1:
         if '小'in data:
         if '小'in data:
-            print("如果话里话外")
+            data=data.replace("小"，"大")
     for data in file1:
     for data in file1:
         if '大'in data:
         if '大'in data:
-            print("如果话里话外")
+           data=data.replace("小"，"大") 
\ No newline at end of file
+        new_data +=data
+
+ with.open(r'C:\Users\Student-A08\Desktop\555.txt','a',encoding='utf-8') as file1:
+     file1.write(new_data)     
+
+with.open(r'C:\Users\Student-A08\Desktop\555.txt','a',encoding='utf-8') as file1:
+    a= file1.read() 
+    print(a) 
\ No newline at end of file