save project

diy.py

@@ -5,5 +5,15 @@
 # file1.write('李文：9本\n')
 # file1.write('张伟：16本\n')
 # file1.close()
-with open(r'C:\Users\DELL\Desktop\test.txt','a',encoding='utf_8') as file1:
-    file1.write('吴鹏：15本\n')
+new_data=''
+with open(r'C:\Users\DELL\Desktop\test.txt','r',encoding='utf_8') as file1:
+    for data in file1:
+        if '111' in data:
+            data=data.replace('111','222')
+        new_data = new_data +data
+    print(new_data)
+with open(r'C:\Users\DELL\Desktop\test.txt','w',encoding='utf_8') as file1:
+    file1.write(new_data)
+        
+
+

sb。py/sb.py

+with open(r"C:\Users\DELL\Desktop\book.doc","w",encoding = "utf-8") as file:
+with open(r"C:\Users\DELL\Desktop\book.doc","w",encoding = "utf-8") as file:
+
+    file.write("wy is a big 192")
+