save project

diy.py

@@ -3,5 +3,9 @@ file1=open(r"C:\Users\23636\Desktop\book.txt","w",encoding="utf-8")
 file1.write("小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本")
 file1.write("小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本")
 file1.close()
 file1.close()
 
 
-with open(r"C:\Users\23636\Desktop\book.txt","w",encoding="utf-8") as file1:
+with open(r"C:\Users\23636\Desktop\book.txt","a",encoding="utf-8") as file1:
     file1.write("贝尔编程")
     file1.write("贝尔编程")
+
+with open(r"C:\Users\23636\Desktop\book.txt","r",encoding="utf-8") as file1:
+    a=file1.read()
+    print(a)
\ No newline at end of file